FILE PHOTO: Employees dressed in scrubs talk with each other at Providence Regional Medical Center after a spokesman from the U.S. Centers for Disease Control and Prevention (CDC) said a traveler from China has been the first person in the United States to be diagnosed with the Wuhan coronavirus, in Everett, Washington, U.S. January 21, 2020. REUTERS/Lindsey Wasson
Forty-three people are being medically monitored after contact with the sole US sufferer of the Wuhan coronavirus.
They appear to be members of the public who accidentally ended up close to him.
This level of cautious monitoring is plausible when the number of known existing cases of the virus is on an extremely small scale, as it now is in the US.
The opposite extreme, in Wuhan, China, shows how the