Why is - a virus unusually adapted to being transmitted between people - which was released next to one of a handful of labs on earth that studied it - that

Why is - a virus unusually adapted to being transmitted between people - which was released next to one of a handful of labs on earth that studied it - that the Chinese government and several American scientists tried to cover up - normally found a thousand of miles away - that we can't find an origin for unlike SARS and MERS (with far more looking) isn't also an at least equally extraordinary claim?