Prevalence of severe acute respiratory syndrome coronavirus 2 spike antibodies in some healthcare settings in Egypt.
Engy Mohamed El-GhitanyAzza Galal FarghalyShehata FaragMona H HashishFahmy CharlEman A OmranPublished in: The Journal of the Egyptian Public Health Association (2022)
Overall, 59.0% of the 559 HCWs were anti-S positive, indicating a relatively high seroprotective status. Among those who were unvaccinated and had no history of infection, 39.1% were seropositive for anti-S, denoting a high rate of silent/asymptomatic infections. Screening of HCWs for SARS-CoV-2 anti-S is recommended, along with the vaccination of seronegative individuals.