Dr. Redfield just said that they know a lot of people without symptoms have the virus. How do they know that?
Maybe the reporters should take a test every day they enter the press room.
South Korea docs and youtube.
Saw it this week. They’re ahead in this.
Contact tracing and testing. A very sick person is tested and hospitalized and then they test everyone they have been in contact with... and some of them come up positive but they no or very weak symptoms.