What is hantavirus pulmonary syndrome?

The cause of death for Betsy Arakawa, actor Gene Hackman's wife, was revealed to be hantavirus pulmonary syndrome, a rare infectious disease.

Flu season worst in 15 years

The Bay Area and U.S. are continuing to contend with the worst flu seasons in the last 15 years. To date, the Centers for Disease Control and Prevention says there have been 370,000 hospitalizations and 16,000 deaths across the country tied to influenza.