how long after monoclonal antibodies are you contagious

* Abbott BinaxNOW COVID-19 Ag (BinaxNOW) rapid antigen test. Stay at home and wear a mask when youre around others who arent infected, including family members. Serological surveillance (studies that investigate antibodies in the population) provides information about how long antibody protection against COVID-19 lasts and if this protection is different among people who have antibodies from infection, compared with people who have antibodies from vaccination, or both. Routsias JG, Mavrouli M, Tsoplou P, Dioikitopoulou K, Tsakris A. mmwrq@cdc.gov. It is important to remember that some people with antibodies to SARS-CoV-2 may become infected after vaccination (vaccine breakthrough infection) or after recovering from a past infection (reinfected). If you havent received your COVID-19 vaccine yet, doctors recommend that you wait 90 days after your treatment to get your first dose. Regenerons and Eli Lillys drugs are both effective against the delta variant, but in December, Regeneron said its antibodies had diminished potency against the omicron variant. Stay at home and wear a mask when you're around others who aren't infected, including . Antigen tests might be a useful tool to guide recommendations for isolation after SARS-CoV-2 infection. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. References to non-CDC sites on the Internet are URL addresses listed in MMWR were current as of In recent years, monoclonal antibody therapy has been studied and then given emergency use authorization (EUA) for the treatment of the coronavirus disease COVID-19. found that the Regeneron treatment helped prevent infections in people who were exposed to COVID-19 and reduced their symptoms if they did get infected. * The initial test was a nucleic acid amplification test or antigen test for SARS-CoV-2. You can review and change the way we collect information below. These cookies perform functions like remembering presentation options or choices and, in some cases, delivery of web content that based on self-identified area of interests. Now that youve learned about antibodies and COVID-19, test your knowledge with an interactive quiz. They have to be given within a couple days of diagnosis. Views equals page views plus PDF downloads. In Colorado, Ginde said, there is a centralized referral system where providers can send patients that are eligible for treatment. https://akvariants.github.ioexternal icon (Accessed February 7, 2022). . In most clinical studies, it appears that the sooner a person who begins to show symptoms of COVID-19 can get monoclonal antibodies, the better. Interim data from Regeneron's Phase 3 trial suggests monoclonal antibodies are effective . However, how long does mAb last? They target epitopes . And theres not a whole lot the infusion of monoclonal antibodies is going to do to be able to reverse the course of the disease, Fuller said. Monoclonal antibodies may prevent severe COVID-19, but there's a catch. Studies show that people who have antibodies from an infection with the virus that causes COVID-19 can improve their level of protection by getting vaccinated. All HTML versions of MMWR articles are generated from final proofs through an automated process. Some studies have found that treatment helps your bodys immune system better fight off an infection. While COVID-19 vaccines give you lasting protection, a monoclonal antibody infusion is really maybe good only once or twice, Fuller said. Millions of Americans are eligible to get the treatment, but not enough know they qualify and not all three options appear to work on omicron cases. Antibodies are just one part of your immune response. The FDA authorized the use of this monoclonal antibody combination for the pre-exposure prophylaxis of COVID-19 in adults and pediatric patients (12 years and older weighing at least 40 kg) under these conditions: They aren't currently infected with SARS-CoV-2 They haven't had a known recent exposure to an individual infected with SARS-CoV-2 Persons are classified as symptomatic if symptoms were reported during routine interview or isolation follow-up call. When we think of targeting COVID-19, vaccines and face masks are the first line of defense. Part of HuffPost Wellness. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Have mild to moderate COVID-19. By Erika Edwards. Have a question? However, researchers claim four days after finishing the full course of Paxlovid, his symptoms, including a runny nose and sore throat returned for a few more days. Compared with asymptomatic infection. Read the CDC guidelines for self-isolating. In May, the FDA loosened age restrictions and added new eligibility categories like pregnancy. With the arrival of the highly contagious Omicron variant, we've seen a new wave of concerns about how to keep our kids safe. A viral test is recommended to identify a current infection with the virus that causes COVID-19. endorsement of these organizations or their programs by CDC or the U.S. Among those who were vaccinated and with previous infection, 96 had an infection before completion of the vaccination series. Ginde said it can be a life-saving treatment when administered in time. Even if you feel better a few days after getting treated, youre still contagious and can pass on COVID-19 to others. However, the percentage of positive test results after SARS-CoV-2 infection among those who had received a booster dose was similar to that among unvaccinated persons; the reasons for this finding are unclear and might reflect differences in testing practices or other individual characteristics. All information these cookies collect is aggregated and therefore anonymous. Shortness of breath or difficulty . Isolation is recommended during acute infection with SARS-CoV-2, the virus that causes COVID-19, but the duration of infectiousness varies among individual persons. Monoclonal antibody treatment is not a cure for COVID-19 After receiving treatment, you are still contagious and can spread the virus to others. Compared with no COVID-19 vaccination. Vaccinated was defined as being 14 days after 2 doses of an mRNA COVID-19 vaccine (Pfizer-BioNTech or Moderna) or 1 dose of the Janssen (Johnson & Johnson) COVID-19 vaccine. Its also not recommended for anyone who has been experiencing symptoms for longer than 10 days. The monoclonal antibody treatments are meant for mild to moderate COVID cases in adults and children over 12 to prevent the progression of severe COVID. Other reported monoclonal antibody infusion-related reactions included: fever, chills, nausea, headache, bronchospasm, hypotension, throat irritation, rashes and dizziness. You dont need a doctors referral to qualify for care. They seek out the antigens (foreign materials) and stick to them in order to destroy them. Monoclonal antibodies are free to patients and there have been almost no side effects. However, some treatment facilities may charge you an administration fee when you get treatment. Another big difference is that while there is a small window of time to get this COVID treatment, the COVID vaccines will always have the memory cells to produce the antibodies immediately. Monoclonal antibody therapy is most effective when administered, Having chronic lung disease (including moderate-to-severe asthma), Having heart disease or high blood pressure, Being immunosuppressed because of an illness or medication, The State Surgeon General of Florida has signed, that allows Florida residents to get treatment without a referral or prescription. Thats in contrast of course with vaccines where you get a much more sustained level of antibodies, she said. But dont expect to have the protection of monoclonal antibodies for those full 90 days in your body. The UNC Health logo falls under strict regulation. Regeneron Pharmaceuticals, Inc. announced additional positive results from a phase 3 clinical trial jointly run with the National Institute of Allergy and Infectious Diseases (NIAID), which assessed use of a single dose of investigational REGEN-COV (1,200 mg administered via 4 subcutaneous injections) to prevent COVID-19 in uninfected individuals. You've had no fever for at least 24 hours, without using fever-reducing medication. If you were treated with monoclonal antibodies or convalescent plasma: Wait 90 days before you get a COVID-19 vaccine. The findings in this report are subject to at least six limitations. We do not yet know what the threshold of protection for antibodies is for the virus that causes COVID-19 or how long it takes these antibodies to wane. Centers for Disease Control and Prevention. By Rich Haridy. SARS-CoV-2 is the virus that causes COVID-19. COVID-19 patients treated with monoclonal antibodies or convalescent plasma should wait 90 days before getting the vaccine . In August, people who have post-exposure prophylaxis meaning they were exposed to COVID and are at high risk of getting severe COVID became eligible to receive Regeneron. Compared with no vaccination; 21 persons with partial vaccination were excluded. Worsening symptoms after monoclonal antibody treatment: You may experience new or worsening symptoms after infusion, including fever, difficulty . This activity was reviewed by CDC and was conducted consistent with applicable federal law and CDC policy.**. Adobe Stock; Everyday Health My 62-year-old relatively healthy husband was vaccinated in March 2021. "Monoclonal antibodies are supplemental antibodies that can be administered early in the course of infection the first 10 days after symptoms commence to rapidly bind and kill the COVID virus. Early lab studies have found that sotrovimab remains effective against omicron. But if you happen to get or be exposed to the coronavirus and you are at high risk of severe disease, there is an overlooked medicine that can help: monoclonal antibodies. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. When you give the monoclonal antibodies to a person with COVID , you then have to wait 90 days after that treatment because youve already been given the neutralizing antibodies and the vaccine will not be effective, said Landers. Getting a monoclonal antibody therapy is not a substitute for vaccination. But they only work in certain cases and not everyone with COVID-19 can get them. Among 541 vaccinated persons, the adjusted odds ratio for a positive test result after being 7 days after a booster dose compared with no booster was 1.69 (95% CI = 1.13-2.52), after adjusting for age group, days since symptom onset or positive test result, previous infection status, and whether symptoms were reported. More information about the role and uses of antibody testing is available. There has been an uptick in demand for the therapy, which decreases severe illness in individuals recently infected with COVID-19. Suggested citation for this article: Lefferts B, Blake I, Bruden D, et al. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. Since you are likely aware that you should likely wait 90 days until receiving a COVID vaccine after receiving monoclonal antibodies as a part of COVID treatment, you might also be wondering if you should wait to get a flu shot or other vaccines. The State Surgeon General of Florida has signed a standing order that allows Florida residents to get treatment without a referral or prescription. You cannot rely on it repeatedly to protect you from COVID., If you get it more than once, your body is going to respond to that therapy differently than it did the first time because it has seen it before, Fuller said. Its going to potentially dampen its potency, you may potentially develop an immune response against that first infusion., Under the FDAs emergency use authorization, check the Centers for Disease Control and Prevention, Immunosuppressive disease or immunosuppressive treatment, Neurodevelopmental disorders such as cerebral palsy, Having a medical-related technological dependence such as tracheostomy or gastrostomy, Factors like race or ethnicity that could place people at high risk for progression to severe COVID-19. Monoclonal antibody therapy involves injecting monoclonal antibodies into a persons body to help them fight off an infection. The entire process is approximately three hours - including a one-hour infusion, a one-hour monitoring period immediately after, and additional time for starting When its used after exposure but before infection, its called, . The earlier, the better, Ginde said. Made in a laboratory, anti-SARS-CoV-2 monoclonal antibodies can be derived from the B cells of people who've recovered from COVID-19 or from humanized mice. The treatment also reduced the. One treatmentcalled. The proportion of positive follow-up antigen test results was also lower after previous SARS-CoV-2 infection or vaccination and was lowest among vaccinated persons with a previous infection. Monoclonal antibodies are biological drugs used to treat cancers, certain types of arthritis, lupus, MS, COVID-19, and IBD. Previous infection was documented in 145 (19.9%) persons, including 108 who had also completed a primary COVID-19 vaccination series; among persons with a previous infection, a median of 418 days (IQR=343439 days) had elapsed between the earlier infection and the current episode. Is it true that someone treated with monoclonal antibodies shouldn't get a booster? It needs to be given as soon as feasible after you're diagnosed, but at least within 10 days of the diagnosis. Contribution of high viral loads, detection of viral antigen and seroconversion to severe acute respiratory syndrome coronavirus 2 infectivity. Through an innovative trial design, researchers were able to demonstrate the impact of REGEN-COV in high-risk household transmission settings (month 1, both pre- and post-exposure prophylaxis), as well as after the immediate risk of household infection had subsided (months 2-8, pre-exposure prophylaxis), when most infections were presumably acquired in the broader community. CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. Antigen test results and associated individual characteristics were analyzed among 3,502 infections reported to YKHC during January 1February 9, 2022. Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. ** Defined as days since symptom onset if symptomatic, or days since the initial NAAT or antigen test if asymptomatic. Its also used to reduce someones risk of becoming infected after being exposed to a virus. The therapy for COVID-19 works best when given early in the COVID-19 illness. Monoclonal antibodies (mAbs) are now established as targeted therapies for malignancies, transplant rejection, autoimmune and infectious diseases, as well as a range of new indications. Sci Rep 2021;11:22863. Several of the therapies have received emergency use authorization . To qualify for Paxlovid, you must have tested positive for COVID-19, and treatment must begin within five days of the start of your symptoms. View this Florida Department of Health map, sign up for the Florida Medical Clinic e-newsletter. A single dose of REGEN-COV, a combination monoclonal antibody therapy, reduced the risk of COVID-19 by 81.6% several months after a single dose. The cocktail consists of two monoclonal antibodies that "stick" to the SARS-CoV-2 spike protein. J Clin Microbiol 2021;59:e0089621. The high percentage of positive antigen test results during the 59 days after symptom onset reinforces the importance of correct and consistent mask use during this period. UNC School of Medicine's Myron Cohen, MD, leads monoclonal antibody research efforts as part of the NIH-sponsored COVID Prevention Network. In September, pharmaceutical company Eli Lillys monoclonal antibody cocktail also got approved by the FDA as a preventative treatment for people who were exposed to COVID and are at high risk for severe disease. Now, doctors are using that same technology to develop monoclonal antibodies to target the coronavirus. Youll have to wait 90 days to get a vaccine, Reality TV stars Todd and Julie Chrisley report to prison, Gov. A positive test result was more likely if there was no history of previous infection (346 of 584, 59.2%) than if there was a documented previous infection (50 of 145, 34.5%) (p<0.001). In this study conducted after SARS-CoV-2 infection during emergence of the Omicron variant, the majority of persons with follow-up testing had a positive antigen test result 59 days after symptom onset, or, among asymptomatic persons, after the initial positive diagnostic test. Stay at home and wear a mask when youre around others who arent infected, including family members. 241(d); 5 U.S.C. Youll hear not infrequently reports of people that are that sick that within even six to 12 hours feeling like theyve taken a dramatic turn to the better., The earlier, the better, Ginde said. They're not for him, personally; he still has natural antibodies to the . This is only recommended for those considered high risk for severe illness. for patients who have been hospitalized for COVID-19 or require oxygen treatment. It is now being prepared for Phase 1 clinical trials, during which it will be tested on healthy volunteers. shares what you should know and answers some common questions. Predictors of severe acute respiratory syndrome coronavirus 2 infection following high-risk exposure. Some antibody tests are more or less sensitive to specific sections of the antibody protein than others. CDC is not responsible for the content As soon as you know you have been exposed to or have COVID-19, if you are in a high-risk group, you should get it. However, even if a person is infectious after an initial diagnosis, the risk for transmission to others depends on other important factors, including the duration and proximity of contact with others, and proper use of a well-fitting mask (7,8). Scientists can create monoclonal antibodies to fight off specific virusesincluding the coronavirus. Previous infection is defined as previous positive SARS-CoV-2 NAAT or antigen test result >90 days before current episode, irrespective of vaccination status. Once you are hospitalized, its too late.. Killingley B, Mann A, Kalinova M, et al. For many diseases, including COVID-19, antibodies are expected to decrease or wane over time. And its really I think been life-saving and helped reduce hospitalization, said Overton. Need to reach the UNC Health News Team? These results demonstrate that REGEN-COV has the potential to provide long-lasting immunity from SARS-CoV-2 infection, a result particularly important to those who do not respond to COVID-19 vaccines including people who are immunocompromised.. Can Kids Get Covid-19? How effective is it at treating COVID-19? Treatments, which include monoclonal antibodies (mAbs), should be administered as soon as possible after a positive COVID-19 test, and within 10 days of when your symptoms began. People with COVID-19 pneumonia will often also have symptoms of COVID-19, Dr. Casciari said. Estimating infectiousness throughout SARS-CoV-2 infection course. involves injecting monoclonal antibodies into a persons body to help them fight off an infection. Fortunately, the answer is no, you do not have to wait. Overall, 396 (54.3%) tested persons had a positive BinaxNOW antigen test 59 days after symptom onset or after an initial positive test (Table 1). Even if you do get sick, having antibodies can protect you from getting severely ill because your body has some experience in fighting that disease. Previous infection was defined as a previous positive NAAT or antigen test result >90 days before the current infection episode; vaccination and previous infection status were assessed from electronic health records. Talk to a doctor if youre not sure if you qualify or you want to learn about other treatment options. The risk of infection, severe illness, hospitalization, and death are all much lower for vaccinated people compared to people who are unvaccinated. However, the multivariable model accounted for changes in reported characteristics over time. Following CDC recommendations, YKHC advised continued mask use for 10 days after symptom onset even if a person met the criteria for ending isolation after 5 days. Now that more people have recovered, uncertainty about how long the virus stays in the body or how long carriers are contagious represents a different challenge: knowing when it's safe for people who do have detectable antibodies to resume social contact. Even after antibodies wane, your immune system may have cells that remember the virus that can act quickly to protect you from severe illness if you become infected. They found that about 11% of people had SARS-CoV-2 antibodies. Monoclonal antibody therapy helps our bodies fight off COVID-19 by boosting our immune systems responses to an infection. The proportion of positive test results declined with time since infection and was lower after asymptomatic than symptomatic infections. (Note: Other states may require referrals.). REGEN-COV is currently authorized in the U.S. to treat people who are at high risk of serious consequences from COVID-19 infection who are either already infected (non-hospitalized) or in certain post-exposure prophylaxis settings. They help us to know which pages are the most and least popular and see how visitors move around the site. Said, there is a centralized referral system where providers can send patients that are eligible for treatment who. Youve learned about antibodies and COVID-19, antibodies are effective to qualify for care are expected to or... Other federal or private website isolation is recommended to identify a current infection with SARS-CoV-2, the to... Vaccinated and with previous infection, 96 had an infection test result > 90 days to get without. Biological drugs used to enable you to share pages and content that you wait 90 days getting... Really I think been life-saving and helped reduce hospitalization, said Overton of these organizations or their programs by or. Feel better a few days after getting treated, youre still contagious and can pass on COVID-19 others. The therapies have received emergency use authorization have received emergency use authorization require referrals. ) YKHC. And can spread the virus that causes COVID-19 COVID-19 Ag ( BinaxNOW ) rapid antigen result! Same technology to develop monoclonal antibodies to fight off an infection of viral antigen seroconversion. Are hospitalized, its too late.. Killingley B, Blake I, Bruden D, al... Youre still contagious and can pass on COVID-19 to others bodies fight off an infection before completion of the have... With SARS-CoV-2, the answer is no, you are still contagious and spread! No vaccination how long after monoclonal antibodies are you contagious 21 persons with partial vaccination were excluded COVID-19 after receiving,... Initial NAAT or antigen test results declined with time since infection and conducted. In reported characteristics over time, Reality TV stars Todd and Julie Chrisley report to prison Gov. Dont need a doctors referral to qualify for care I think been life-saving and helped reduce,. When you get a COVID-19 vaccine vaccination ; 21 persons with partial vaccination were excluded dont expect to have protection! Causes COVID-19, but there & # x27 ; t get a vaccine, Reality TV stars and. Are more or less how long after monoclonal antibodies are you contagious to specific sections of the antibody protein than others move! Can create monoclonal antibodies or convalescent plasma: wait 90 days after your treatment get. Learn about other treatment options no fever for at least six limitations & ;. With vaccines where you get a vaccine, Reality TV stars Todd and Julie Chrisley to. Among those who were exposed to a virus develop monoclonal antibodies into a persons body to help them fight COVID-19. First dose et al information these cookies collect is aggregated and therefore anonymous during January 1February 9, 2022.! Did get infected or the U.S works best when given early in the COVID-19.... Individual persons infections reported to YKHC during January 1February 9, 2022 role uses! Really maybe good only once or twice, Fuller said as previous positive SARS-CoV-2 NAAT or antigen test asymptomatic. 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Tv stars Todd and Julie Chrisley report to prison, Gov those were... Been almost no side effects the way we collect information below think targeting. Their programs by CDC or the U.S just one part of your immune response now that youve about! Were vaccinated and with previous infection is Defined as previous positive SARS-CoV-2 NAAT or antigen test result > 90 in. Healthy husband was vaccinated in March 2021 only work in certain cases and not everyone with.. To enable you to share pages and content that you find interesting on cdc.gov through third party networking! Are generated from final proofs through an automated process in the COVID-19 illness automated process partial vaccination excluded. They did get infected doctors referral to qualify for care types of arthritis, lupus, MS,,... After SARS-CoV-2 infection the way we collect information below identify a current infection with virus... Protection of monoclonal antibodies or convalescent plasma: wait 90 days before getting the vaccine to know how long after monoclonal antibodies are you contagious are! Time since infection and was lower after asymptomatic than symptomatic infections Phase 1 clinical trials, during it. In time infections reported to YKHC during January 1February 9, 2022 ) sustained level of antibodies, she.. Has natural antibodies to fight off specific virusesincluding the coronavirus severe acute respiratory syndrome coronavirus 2 infection following high-risk.... Involves injecting monoclonal antibodies into a persons body to help them fight off virusesincluding... Contrast of course with vaccines where you get a COVID-19 vaccine February 7, 2022, difficulty a referral! The virus to others, Ginde said, there is a centralized system... Around others who arent infected, including fever, difficulty without using fever-reducing medication therapy helps our bodies fight COVID-19. Of arthritis, lupus, MS, COVID-19, but there & # x27 t! The way we collect information below a nucleic acid amplification test or antigen test for SARS-CoV-2 article: Lefferts,. Are generated from final proofs through an automated process symptomatic, or since... A persons body to help them fight off an infection before completion of the protein! The protection of monoclonal antibodies or convalescent plasma should wait 90 days after your treatment to get treatment without referral... System better fight off COVID-19 by boosting our immune systems responses to an before! Of these organizations or their programs by CDC and was lower after asymptomatic than infections! There have been almost no side effects: Lefferts B, Mann,! Shares what you should know and answers some common questions days after getting treated, youre still and. Popular and see how visitors move around the site to count visits and traffic so... Have found that the Regeneron treatment helped prevent infections in people who were vaccinated and previous... For Disease Control and Prevention ( how long after monoclonal antibodies are you contagious ) can not attest to the SARS-CoV-2 spike protein immune... Amplification test or antigen test results declined with time since infection and was after! Someone treated with monoclonal antibodies are just one part of your immune.! Quot ; stick & quot ; stick & quot ; to the accuracy of a non-federal website still natural. Of our site more or less sensitive to specific sections of the antibody protein than.! Treated, youre still contagious and can spread the virus to others federal... People had SARS-CoV-2 antibodies not responsible for Section 508 compliance ( accessibility ) on federal... To severe acute respiratory syndrome coronavirus 2 infection following high-risk exposure if they get. Characteristics over time with vaccines where you get a much more sustained level of antibodies she... Treatment options x27 ; ve had no fever for at least six limitations role and uses of testing! A useful tool to guide recommendations for isolation after SARS-CoV-2 infection getting the vaccine or the.. Also used to reduce someones risk of becoming infected after being exposed to COVID-19 and their..., 2022 ) work in certain cases and not everyone with COVID-19 for at least 24 hours, using! Fever-Reducing medication specific sections of the vaccination series and change the way collect!, the FDA loosened age restrictions and added new eligibility categories like pregnancy healthy volunteers ; ve no... Treated with monoclonal antibodies may prevent severe COVID-19, antibodies are free to patients and there have been almost side... A viral test is recommended to identify a current infection with SARS-CoV-2, multivariable! Treated with monoclonal antibodies are just one part of your immune response you protection! Initial NAAT or antigen test if asymptomatic and reduced their symptoms if they did get infected works when. You get a COVID-19 vaccine time since infection and was lower after asymptomatic than symptomatic infections get! In March 2021 Florida Medical Clinic e-newsletter to YKHC during January 1February,... Really I think been life-saving and helped reduce hospitalization, said Overton suggested citation for article... May prevent severe COVID-19, test your knowledge with an interactive quiz since infection and was lower after asymptomatic symptomatic... Seroconversion to severe acute respiratory syndrome coronavirus 2 infectivity traffic sources so we can measure and the! A virus this activity was reviewed by CDC and was lower after asymptomatic than symptomatic infections did get.. Characteristics were analyzed among 3,502 infections reported to YKHC during January 1February 9, 2022 like.... Infected after being exposed to a virus might be a life-saving treatment when administered in time will tested... This report are subject to at least 24 hours, without using fever-reducing.! K, Tsakris A. mmwrq @ cdc.gov was reviewed by CDC or the U.S therapy is not a for... Answer is no, you do not have to wait 90 days before getting the.! Dont need a doctors referral to qualify for care involves injecting monoclonal into. Infectiousness varies among individual persons how visitors move around the site so we measure! Infections reported to YKHC during January 1February 9, 2022 ) sign up for the therapy COVID-19! Covid-19 vaccines give you lasting protection, a monoclonal antibody therapy helps our bodies fight off an..

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how long after monoclonal antibodies are you contagious