Abstract: ObjectiveTo investigate COVID-19 vaccine efficacy (VE) among healthcare workers (HCWs) in an ethnically diverse community healthcare system, during its initial immunization campaign. MethodsHCWs of the system were retrospectively included from the beginning of a COVID-19 vaccination program (December 16, 2020) until March 31, 2021. Those with a prior COVID-19 infection before December 15 were excluded. The Occupational Health department of the system ran a COVID-19 screening and testing referral program for workers, consistently throughout the ...
(read more)
Topics: 
Virology
Environmental health