Coronavirus at beaches? Surfers, swimmers should stay away, scientist says

  • A lifeguard keeps watch at Daytona Beach, Fla., on April 2, 2020. (Stephen M. Dowell/Orlando Sentinel/TNS)

  • The shoreline in Daytona Beach, Fla., is nearly empty on April 2, 2020. (Stephen M. Dowell/Orlando Sentinel/TNS)

  • A surfer rides a wave in Cocoa Beach, Fla., as a cruise ship sails in the background on April 2, 2020. (Stephen M. Dowell/Orlando Sentinel/TNS)

Kim Prather, a leading atmospheric chemist at the Scripps Institution of Oceanography, wants to yell out her window at every surfer, runner, and biker she spots along the San Diego coast.