AI Article Synopsis
- A case-control study was conducted to assess COVID-19 infection risk among healthcare workers, collecting data on demographics, contact behaviors, and protective equipment usage.
- Out of 1,899 participants, 161 (8.5%) were found to be seropositive, with physical contact and aerosol-generating procedures significantly increasing risk.
- The use of goggles and N95 masks effectively reduced the risk of infection, and seroprevalence was notably higher in outbreak wards compared to COVID-19 dedicated wards.
Article Abstract
As coronavirus disease 2019 (COVID-19) outbreaks in healthcare facilities are a serious public health concern, we performed a case-control study to investigate the risk of COVID-19 infection in healthcare workers. We collected data on participants' sociodemographic characteristics, contact behaviors, installation status of personal protective equipment, and polymerase chain reaction testing results. We also collected whole blood and assessed seropositivity using the electrochemiluminescence immunoassay and microneutralization assay. In total, 161 (8.5%) of 1,899 participants were seropositive between August 3 and November 13, 2020. Physical contact (adjusted odds ratio 2.4, 95% confidence interval 1.1-5.6) and aerosol-generating procedures (1.9, 1.1-3.2) were associated with seropositivity. Using goggles (0.2, 0.1-0.5) and N95 masks (0.3, 0.1-0.8) had a preventive effect. Seroprevalence was higher in the outbreak ward (18.6%) than in the COVID-19 dedicated ward (1.4%). Results showed certain specific risk behaviors of COVID-19; proper infection prevention practices reduced these risks.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9974228 | PMC |
| http://dx.doi.org/10.35772/ghm.2022.01060 | DOI Listing |
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