Nobody cares what you doubt whatsoever because you’ve shown yourself to be deliriously stupid throughout this entire thread. “Here is a source with a not-at-all ominously bland name proving ALL OF SCIENCE AND MEDICINE WRONG” says the moron.

Three decades ago I learnt that covering your mouth when you cough helps stop spreading germs. I was a toddler and you still haven’t reached that level of intelligence. Reading a children’s science book would blow your tiny mind.