Prevalence of SARS-CoV-2 antibodies in health care personnel in the New York City area

J Moscola, G Sembajwe, M Jarrett, B Farber, T Chang… - Jama, 2020 - jamanetwork.com
Methods| All Northwell HCP (employees) were provided with personal protective equipment
from March 7, 2020, onward. SARS-CoV-2 testing by reverse transcriptase–polymerase
chain reaction (PCR) began March 7, 2020, and was available for any HCP who had COVID-
19–like symptoms or suspected exposure. From April 20, 2020, to June 23, 2020, all
Northwell HCP were offered free, voluntary antibody testing, regardless of symptoms, at 52
sites in the greater NYC area. HCP missing all identifying data were excluded. Testing was …