To help people make informed decisions about ongoing COVID-19 risks, public health messaging needs to adapt as the pandemic evolves, just as immune systems adapt to new viruses and variants.
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Articles on Antibodies
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Your blood can hold a record of past illnesses. That information can reveal how many people have had a certain infection – like 58% of Americans having had COVID-19 by the end of February 2022.
Research suggests that too-frequent immunizations may lead to a phenomenon called “immune exhaustion.”
Evusheld is an antibody drug from AstraZeneca intended to help prevent COVID-19 infection for immunocompromised and other vulnerable patients.
Because COVID-19 is a relatively new virus, researchers still aren’t sure exactly how long vaccines and prior infections provide protection.
COVID-19 variants are the products of the evolution of the SARS-CoV-2 virus. They arise via mutations, but other forces also have roles to play in the generation and transmission of variants.
COVID-19 has taken away so much. An immunology researcher describes the good it may leave behind.
Infection seems to add a boost to immunity – but vaccination is still vital and breakthrough infections should be avoided as much as possible.
Some of the omicron variant’s unique properties – such as its ability to spread rapidly while causing milder COVID-19 infections – could usher in a new phase of the pandemic.
For a number of reasons, as time goes on vaccines become less effective. So how do researchers calculate how well vaccines are working?
Knowing when and how often to use rapid tests is key to getting an accurate picture of your COVID-19 status.
We won’t know whether Omicron evades COVID vaccines for another few weeks. Here’s why.
It’s too early to say whether the newly identified omicron variant is going to overtake delta. But particular mutations in the new strain have researchers deeply concerned.
There’s not enough evidence yet to support the AstraZeneca CEO’s statement. But it is theoretically plausible.
Booster shots are a common necessity for vaccines to keep working. Recent research shows COVID-19 booster shots are recommended for high-risk individuals — and may benefit the rest of us too.
The two types of COVID-19 tests – antigen and PCR – work in very different ways, which is why one is fast but less accurate and the other is slow and precise.
First CDC signed off on a COVID-19 vaccine for adults, then teens. Now US children ages 5 to 11 are officially eligible for shots. Here’s the science on why each group needs to be considered separately.
Pediatric clinical trials for the COVID-19 Pfizer vaccine for children ages 5 to 11 have shown that the Pfizer shot is safe and effective.
There is immense interest in understanding whether potentially protective SARS-CoV-2 antibodies are provided to the baby via breast milk. This is what we know so far.
In light of mounting research showing the serious risks of contracting COVID-19 during pregnancy, the CDC is re-upping its urgency that pregnant women get their shots.
Top contributors
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Professor of Medicine, University of Virginia
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Associate Professor of Biology, Rochester Institute of Technology
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Instructor of Human Immunology, Emory University
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Associate professor, Biomedicine Discovery Institute, Monash University
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Professor of Immunology and Pro Vice-Chancellor, Research Partnerships, Victoria University
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Emeritus Professor, Brunel University London
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Professor in Biomedical Sciences, University of Manchester
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Project Coordinator & Staff Scientist, Vanderbilt University Medical Center, Vanderbilt University
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Research Fellow, Institute for Molecular Bioscience, The University of Queensland
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Senior Lecturer; MD, Victoria University
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Senior Lecturer in Biomedical Sciences, Brunel University London
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Assistant Professor of Molecular Medicine, UMass Chan Medical School
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Cameron Webb is a Friend of The Conversation.
Clinical Associate Professor and Principal Hospital Scientist, University of Sydney
