“All of us really want to stay here and make sure we’re all medically clear and the public safe,” said Matthew L. McCoy, a theme park designer who lives in China.

McCoy is among the 195 Americans who returned on a charter flight earlier this week from Wuhan, the Chinese city at the center of the outbreak.
Initially, health officials asked them to stay at March Air Reserve Base in Riverside for up to three days of monitoring and testing.