As we continue to roll out COVID-19 vaccines around the world, we’re learning people who are immunocompromised aren’t necessarily protected as well from the first two doses.
Articles on Moderna vaccine
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An infectious disease doctor explains the science behind COVID-19 vaccines at a level that children – and adults – of all ages can understand.
Trials are under way to ascertain whether COVID vaccines are safe and effective for children under 12. In the meantime, it’s reassuring to note that generally, young kids cope OK with the virus.
The federal government has announced the Pfizer vaccine will be available to all Australians from August 30. Though there may well be long waits.
While emergency use authorization gets vaccines out to the public more quickly, it doesn’t skip any steps that full approval requires.
Doses of the Moderna vaccine will be available in Australia from mid-September. So if you’re in an eligible group you could be offered either Pfizer or Moderna. Here’s how they compare.
Vaccines can’t provide 100% protection, so it’s not a failure or surprise when some vaccinated people get sick with COVID-19. The good news is their cases are much less likely to be severe or fatal.
Exclusion from clinical trials, lack of data and inconsistent information made it difficult for pregnant and breastfeeding people to make decisions about COVID-19 vaccines early in the rollout.
This myth is still circulating online. Here’s why the chance of this happening is next to zero.
The vaccine works by the same principles as the Pfizer and Moderna vaccines, and could be manufactured in Australia.
Various companies use different ingredients and different delivery systems in their COVID-19 vaccines. Researchers are investigating whether it’s better for individuals to mix what’s available.
Even if we came up with a definition of what makes the “best” vaccine, we don’t have the luxury of choice, when vaccines are in short supply.
Hundreds of thousands of Canadians got a shot of AstraZeneca’s COVID-19 vaccine for their first dose. They now have a choice for their second dose: AstraZeneca again, or Pfizer or Moderna mRNA vaccine?
One of the main fears regarding new SARS-CoV-2 variants is that they might be resistant to immunity granted by vaccines, including RNA vaccines.
The COVID-19 vaccines are a smash success. But that doesn’t mean they keep every vaccinated person completely free of the coronavirus.
Many over 50s seem to be asking this question. But there are a number of reasons it’s important to go ahead and get the AstraZeneca vaccine now.
A vaccine expert breaks down everything you need to know about Australia’s newest COVID-19 vaccine candidate.
Canadian public health organizations have run into a serious communication problem about the AstraZeneca vaccine. Crisis management and communication theories explain what’s gone wrong.
The CDC and FDA said the benefits of the Johnson & Johnson vaccine far outweigh the low risk of developing rare blood clots and lifted a pause on the vaccine’s use. A doctor explains.
It’s normal for different people to mount stronger or weaker immune responses to a vaccine, but post-shot side effects won’t tell you which you are.
Top contributors
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Professor of Medicine, University of Virginia
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Associate Professor and ARC Future Fellow, The University of Western Australia
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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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Research associate, Warren Alpert Medical School, Brown University, Brown University
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Professor of Law, Villanova University
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Professor, The Children's Hospital at Westmead Clinical School and Sydney Infectious Diseases Institute, University of Sydney
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Professor, Biology, York University, Canada
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Pediatric Infectious Diseases Fellow, University of Pittsburgh
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Professor of Microbiology, School of Medicine, University of Washington
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Clinician-Scientist Trainee, Faculty of Medicine & Dentistry and Faculty of Science, University of Alberta
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Adjunct Professor of Epidemiology, University of Texas Health Science Center at Houston
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Clinical Professor of Pharmacy Practice, University of Connecticut
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Group Leader: Next-generation Vaccines, Antiviral Gene Therapy Research Unit, University of the Witwatersrand