Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another question ...

Bird flu continues to spread quickly through the U.S. farm system because that system is inherently a viral playground.

A federal vaccine panel, recently reshaped by US health secretary Robert F. Kennedy Jr., has voted to discourage the use of flu vaccines containing thimerosal, a mercury-based preservative. The ...

A CDC panel recommended against flu vaccines with thimerosal, a preservative falsely linked to autism. Experts warn the decision may raise vaccine costs unnecessarily.

The Trump administration’s new vaccine advisers on Thursday endorsed this fall’s flu vaccinations for just about every American but threw in a twist: Only use certain shots free of an ...

For most people, the flu presents a few days of feeling miserable. For others, including very young children and older adults, the flu can be more dangerous.

Pediatric flu deaths have surged in Michigan since the start of the COVID-19 pandemic, prompting experts to fear the numbers could become even worse down the road as vaccine hesitancy and distrust ...

Influenza A virus (IAV) infection triggers derepression of host transposable elements (TEs), which have the potential to form double-stranded (ds)RNAs and could enhance innate antiviral immunity.