Ongoing tracking is meant to spot very rare risks – like the connection between the Johnson & Johnson shot and Guillain-Barré syndrome. And it relies on public reporting.
If you’re in Sydney, the advice is for people to bring forward the timing of their second AstraZeneca shot, and for the under 60s to consider having it if they can’t get hold of Pfizer.
Experts are continually monitoring how well COVID vaccines are working, their side effects, and the amount of disease in the community. These factors can change, and advice will adapt accordingly.
A serious event such as a blood clot could be caused by an underlying medical condition, a medication the person was taking at the time, or some other factor unrelated to the vaccine.
The CDC first paused, then unpaused, the administration of the Johnson & Johnson COVID-19 vaccine due to concerns about blood clots. But what are those clots, and how do they form?
Many people never experience the least bit of discomfort from the COVID-19 vaccines, but mild side effects are common. They include swelling in the affected arm, nausea and chills.
We already track potential vaccine side-effects in Australia. So we’ll be using, and building on, years of experience in monitoring any long-term effects of COVID-19 vaccines.
A serious allergic reaction was reported in a health care worker in Alaska after she received the COVID-19 vaccine. Does this mean that people with allergies need to be concerned? An expert answers.
Paediatrician at the Royal Childrens Hospital and Associate Professor and Clinician Scientist, University of Melbourne and MCRI, Murdoch Children's Research Institute
Paediatrician, National Centre for Immunisation Research and Surveillance; Clinical Lecturer, Children's Hospital Westmead Clinical School, University of Sydney
Charles Stewart Mott Endowed Professor of Public Health and an Associate Professor of Pediatrics and Human Development at the Michigan State University College of Human Medicine, Michigan State University