[dirk digler]

This research group started this seroprevalence study almost from the beginning in NYC. The link is here https://www.nature.com/articles/s41586-020-2912-6

This tweet is from one of the author's if it is tldr

Our NYC serosurvey paper is now out in Nature:
1) if extrapolated to the NYC population we found>1.7 million infected and IFR at 0.97
2) earlier introduction of the virus into city than officially detected
3) seroprevalence AND titers are stable so far https://t.co/XK3TWVveXf

— Florian Krammer (@florian_krammer) November 3, 2020