Lab leaks happened in the past, too, including one that was covered up by a communist government for decades https://en.m.wikipedia.org/wiki/List_of_laboratory

Lab leaks happened in the past, too, including one that was covered up by a communist government for decades https://en.m.wikipedia.org/wiki/List_of_laboratory_biosecurity_incidents https://en.m.wikipedia.org/wiki/List_of_laboratory_biosecuri...