And the vent pipes leaked anywhere that someone cut the vent to make room in their bathroom — which the articles say was common. In principle, it's helpful to

And the vent pipes leaked anywhere that someone cut the vent to make room in their bathroom — which the articles say was common. In principle, it's helpful to know that sewer fumes might allow covid to spread. But based on those two articles, the fact that many toilet / drain traps in that building appear to be dry, and given the hacked up state of that building's sewer and vent stacks, neither story clarifies how covid actually spread there. Nor should the reader assume the same is likely to happen in another building that conforms to building codes — unlike that one.