Scientists have mapped how genetics and life experiences leave lasting epigenetic marks on immune cells. The discovery helps ...

As population immunity continues to grow, understanding how immune responses influence both disease outcomes and viral evolution has become increasingly important.

The increased size of, and lesser blood supply to, a key brain structure in patients with Long COVID tracks with known blood markers of Alzheimer's disease and greater levels of dementia, a new study ...

Even after COVID-19 clears from your system, its viral remnants (known as "zombie" fragments) keep hunting your immune cells.

As well-vaccinated countries see a path back to normality from the coronavirus, the greener lifestyles we adopted and hoped to make permanent seem to be slipping away, says Graham Lawton ...

Yep, just in time for Valentine's Day.

Reputable news organizations such as Reuters, Agence France-Presse (AFP) and South African news website News24 debunked the message's claims in November 2022, January 2023 and June 2025, respectively.

Respiratory virus season is in full swing across California, with several illnesses spreading across the state. Cases of influenza and respiratory syncytial virus are on the rise, the California ...

The current flu season has been particularly severe, with millions of cases and thousands of deaths nationwide. Florida is experiencing high flu activity, though it has recently dropped from a "very ...

Add Yahoo as a preferred source to see more of our stories on Google. As cold and flu season peaks, COVID-19 hospitalizations in Ohio have more than doubled in recent weeks, and a severe flu strain is ...