Coronaviruses
COVID-19 Vaccine Efficacy in Previously Infected Healthcare Workers
Researchers at the INT-IRCCS "Fondazione Pascale" Cancer Center in Naples, Italy, have conducted a retrospective study to evaluate the humoral immune response to the SARS-CoV-2 spike mRNA vaccine (BNT162b2/Pfizer) in two cohorts of healthcare workers: those previously infected with SARS-CoV-2 and those who were not. The study,