How dangerous is the COVID-19 coronavirus? [slightly edited and restructured answer I originally wrote on Quora, to the question, but which summarily deleted by them without explanation] That depends on many factors.The Guardian (March 21) and some other news media stated that about 80% of people who get Covid-19 experience a mild case [WHO said the same] – about as serious as a regular cold – and recover without needing any special treatment.[1]Also, the amount of the coronavirus that you first take in may play a factor in the severity of your symptoms (other aspects being equal).[2]CDC (March...