Health officials say there’s no evidence bird flu is spreading between people after investigating a Missouri infection.

Bird flu cases have more than doubled in the country within a few weeks, but researchers can’t determine why the spike is happening because surveillance for human infections ...

Despite health officials’ arduous efforts to track human infections, surveillance is marred by delays, inconsistencies, and ...

The Santa Ana winds are notorious for being hot, dry and dusty, but the quality that really defines these 'devil winds' is ...