Which countries already require their populations to wear masks?

In Asia, has made the wearing of outside.

As Vassili says, it is customary in Asia to a mask as soon as you cough a , out of respect for others.

In Bangkok, N95 masks are worn in January-February because of the very high levels of PM2.5 particles during the cane harvest.

Now that Thailand has masks in stock, 2 provinces have made it mandatory. Everywhere, locals are wearing them. Only a few foreigners don’t wear them, which makes the locals angry! We had the Minister of Health asking foreigners to leave the !