
Are Covid vaccines becoming less effective? - Ariadne
Robert Hickson • Oct 19, 2021 •
A critical debate about Covid-19 vaccines is when does protection wane, by how much, why, and what does this mean for controlling the pandemic and the impacts of infections. Depending on the studies or headlines you read it can be confusing. Some report declining vaccine effectiveness, and others don’t. Some report a lot, and others a little. Like most things … Read More