FreeSpeech
Banned
No they weren't, and you have no proof that they were.
And how were those quarantines enforced? Start there.
The quarantines were mandatory:
"The action means that U.S. citizens who have been in China's Hubei Province in the past 14 days will be subject to 14 days of mandatory quarantine if they travel back to the United States."
https://www.npr.org/sections/health...-health-emergency-and-restricts-travel-from-c
Thanks for playing better luck next time.