Here's why you might need a 4th COVID vaccine dose this winter
- Written by Nathan Bartlett, Associate Professor, School of Biomedical Sciences and Pharmacy, University of Newcastle
When I began drafting this article, COVID cases in Australia were coming down and the situation was stabilising.
New research released in February showed a fourth COVID vaccine dose didn’t add much extra protection on top of a third dose. It looked as if doling out fourth doses to all Australians was unnecessary.
Unfortunately, the situation...





