Coronavirus does not spread as fast in tropical climates - hardly any cases in Thailand. Also their government has no leniency towards people infected with the virus as western government's do. Thailand has one of the best medical infrastructures in Asia and for the matter its top notch across the world.
Also for those who say that you can catch STD's by DFK'ing and crap like that - let me just say that Thailand is a success story when i comes to clearing out STD's rates from its populace. Its much much safer than any red light district in some shady parts of Europe, South America, the Caribbean and other parts of Asia - perhaps except for Cuba.