https://www.brownstoner.com/brooklyn-life/coronavirus-hasidi...
including transmission of oral herpes to babies by oral suction (no I'm not using a euphemism)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4608492/
>200 Jewish K-12 schools in Brooklyn
how many haredi children go to k-12 schools instead of yeshiva? this article puts attendance at 160,000
https://www.jta.org/2020/01/13/united-states/new-york-is-try...
given that there are only ~2 million haredi I think that's quite a large proportion. and no yeshiva is not the same as k-12 orthodox school (same article explicitly distinguishes).