Several labs will work with federal health authorities to develop a test for avian influenza, as the number of human cases rise across the country. The Utah-based ARUP Laboratories said Friday that it was selected by the Centers for Disease Control and Prevention (CDC) as one of five lab partners,

Bird flu typically spreads among birds, but there have been recent outbreaks among cattle in the U.S., and one Texas man contracted the virus from sick cows. Here’s why so many experts are worried about a possible new pandemic.

An adult with underlying medical conditions was hospitalized on Aug. 22 and has since recovered, the Missouri health department said.