Merck announced preliminary data suggesting the drug reduced the risk of hospitalisation and death by 50%.
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Articles on SARS-CoV-2
Displaying 161 - 180 of 583 articles
Vaccine donations are unsustainable and often inefficient to scale. They are a temporary solution to a systemic issue.
The risk of COVID-19 exposure from high-touch surfaces within grocery stores is low if physical distancing guidelines and recommended cleaning protocols are followed.
A growing body of research shows that nutrition, sleep, exercise and a host of other lifestyle choices can help optimize the immune system. But they are no substitute for life-saving vaccines.
Making vaccines in South Africa by building on the foundation that’s been laid is possible. But only if substantial and sustained investment in human resources and infrastructure becomes a reality.
It’s more evidence a lab leak is very unlikely.
The core of the objections, whether they are about vaccinations, lockdowns, social distancing, or mask wearing, seems to concern an apparent erosion of personal liberty.
An FDA panel has voted against recommending approval of a booster COVID-19 shot for the general population – disappointing some public health officials.
Before the pandemic, the public perceived science as infallible and inaccessible. But the opening up of research to the general public has changed that perception.
Two different respiratory viruses were found to swap proteins when they infected the same cell.
When the coronavirus copies itself, there is a chance its RNA will mutate. But new variants must jump from one host to another, and the more infections there are, the better chance this will happen.
The next months are going to remain difficult. But I’m still hopeful about the future. There will come a point when enough people are vaccinated that case numbers begin to decrease.
A medical student answers questions he gets asked at a COVID-19 vaccine clinic: Efficacy versus real-world effectiveness, immune response and how the mRNA vaccines compare to vaccines already in wide use.
Cell-mediated immunity is particularly effective at eradicating viruses, and more durable. This is important in the fight against COVID-19.
It’s not spreading widely, and it’s not at Australia’s doorstep. The tools we have in place work against the coronavirus.
There are practical things you can do to make your child more comfortable if they’re ill.
An infectious disease doctor explains the science behind COVID-19 vaccines at a level that children – and adults – of all ages can understand.
A 2015 paper on chicken virus evolution is being taken out of context and used to fuel fears about COVID-19 vaccines. Its lead author aims to clarify the science in hopes of saving lives.
Children can get long COVID, but it seems to be less common than in adults. And they tend to recover quicker.
Australia plans to begin relaxing restrictions once 70% of over-16s are fully vaccinated. But as Israel shows us, it’s likely not enough to reach herd immunity, especially with the Delta variant.
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Top contributors
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Professor of Medicine, University of Virginia
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Research associate, Warren Alpert Medical School, Brown University, Brown University
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Associate Professor, Epidemiology, Deakin University
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Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand
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Vice-Chancellor's Research Fellow, School of Health and Biomedical Sciences, RMIT University
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Professor of Global Biosecurity, NHMRC L3 Research Fellow, Head, Biosecurity Program, Kirby Institute, UNSW Sydney
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Instructor of Human Immunology, Emory University
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Postdoctoral Fellow in Virology, University of Colorado Boulder
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Postdoctoral Fellow in Virology and Immunology, University of Colorado Boulder
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Professor, Nursing, School of Nursing and Midwifery, Griffith University
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Research Leader in Virology and Infectious Disease, Griffith University
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Research Fellow in Virology, University of Leeds
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Lecturer in Virology, Queen's University Belfast
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Professor of Molecular, Cellular and Developmental Biology, University of Colorado Boulder
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
