SARS-CoV-2 Infections and Serologic Responses from a Sample of U.S. Navy Service Members — USS Theodore Roosevelt, April 2020

the CDC reports on the outbreak aboard the aircraft carrier the U.S.S. Theodore Roosevelt. The risk for SARS-CoV-2 infection was lower among service members who said they had worn a face covering (56% vs. 81% who didn’t), avoided common areas (54% vs. 68%), and observed social distancing guidance (55% vs. 70%). Among those with an antibody response, 59% had neutralizing antibodies, which could indicate at least short-term immunity.

https://www.cdc.gov/mmwr/volumes/69/wr/mm6923e4.htm?s_cid=mm6923e4_x