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View NPR's graphics to see where COVID is hitting hardest in the U.S., which state outbreaks are under control and where cases are still spreading.

What you eat might be giving you an autoimmune disease. A University of Central Florida team found that patients predisposed to rheumatoid arthritis could…

Over the past 60 years, the number of new diseases cropping up in a decade has almost quadrupled. "We're in a hyperinfectious world," says one scientist.