ArticleViruses2025
Sociodemographic Associations and COVID-19 Symptoms Following One Year of Molecular Screening for SARS-CoV-2 Among Healthcare Workers.
Article in Viruses, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDuring the COVID-19 pandemic, high rates of infection with SARS-CoV-2 were reported in healthcare workers (HCWs), among whom asymptomatic individuals had high potential to spread the virus while assisting high-risk patients. This study conducted routine SARS-CoV-2 screening among the staff of a specialized cardiology hospital in Brazil during 2022 and 2023, while also evaluating variables associated with infection and the occurrence of symptoms.
methodsA prospective cohort study of 94 HCWs with biweekly RT-PCR screening was performed, employing RT-PCR from nasal swabs.
resultsParticipants aged 50.9 ± 10.2 years and were predominantly female (85.1%) and non-white (56.4%). The follow-up period was 576.4 ± 185.9 days, and most participants worked in the intensive care unit/emergency department (34%). Although the HCWs with the highest COVID-19 rates before inclusion were technicians/graduates (67.3%) and non-white individuals (57.7%), these groups presented lower infection rates at follow-up (
interpretationThese data highlight the association between educational level and the risk of SARS-CoV-2 infection in HCWs. The synchronicity of cases in different hospital departments offers insights about the nosocomial spread of SARS-CoV-2. The increase in the number of asymptomatic infections with repeated infections suggests that regular molecular screening may contribute to increasing the safety of both patients and HCWs in a pandemic context.
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