Fake news.
It took months to go from initial spread in NYC to realizing it was there and everyone was dropping like flies.
Huh? The consensus is pretty much that the frum community got hit very bad due to the mingling on purim. By Pesach, people were already "dropping like flies" as you put it. My point was that Boro Park is already open for more then 4 weeks. Bh there has not been a drastic wave.
Note: I am still davening at home, and i dont live in bp