The flu virus is changing in ways never seen before, increasing infections and raising concerns about vaccine effectiveness ...

Delays in CDC analyses of infectious disease threats and agency silence will harm Americans, doctors and ...

A new study says the flu A viral strain can adapt shape to stay infectious. Infectious disease doctors break down what this ...

Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

Widespread funding cuts across the government and new restrictions on funding for National Institutes of Health grants have also created uncertainty among infectious disease researchers and local ...