H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally caused isolated human cases that have quite often been fatal. But last year ...

As spring weather sets in, fears of a bird flu pandemic have not materialized, and there is less cause for worry than there was in the winter. Experts say the short-term risk of a pandemic is low, but ...

Researchers in California believe dogs might be able to predict the spread of Valley fever, which has spiked nationwide, likely due to climate change. With more than a third of the contiguous U.S. in ...