In a new study, University of Georgia researchers have found that natural immunity from previous flu infections has a significant impact on how well future influenza vaccinations work. That may mean ...

Research reveals a sharp decline in both the effectiveness and duration of protection from prior infection post-Omicron, underscoring the need for updated vaccines to sustain immunity Study: ...

Spring can see frequent COVID cases, since the effectiveness of fall vaccines can start to wane, and people tend to travel more as soon as the warm weather returns, which can increase exposure to ...

Anthony Fauci privately acknowledged “impressive data” showed stronger immunity from a COVID-19 infection than vaccination while publicly pushing mandated shots, newly released documents show. Former ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

A study of more than 13,000 US nursing homes concludes that those in states that adopted laws granting them immunity from ...