Here's how NASA protects astronauts and the International Space Station from coronavirus - CNN

When NASA astronauts Jessica Meir and Andrew Morgan return from their stay on the International Space Station on April 17, they're coming back to a very different Earth -- one that's dealing with coronavirus.
ref:https://www.cnn.com/2020/03/20/world/nasa-space-station-astronaut-safety-coronavirus-wellness-scn-trnd/index.html