[freeandfreezing]

Vietnam (mask wearing), literally one country away from China, where the breakout started.

But China also falls into the category of mask wearing countries.

[cba123]

Yes, and even though it started in China, they are now, basically over it.

Masks, are a big reason.

Everyone there is wearing masks.

[TheCipher]

But China also falls into the category of mask wearing countries.

Not really. At the outbreak, very few people were wearing masks ( mainly because the government was lying to the population ). When they finally ordered people to wear masks, there were many people that ignored it.