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Saudi Med J ; 42(11): 1243-1246, 2021 Nov.
Article in English | MEDLINE | ID: covidwho-1502886


OBJECTIVES: To calculate the seroprevalence of asymptomatic healthcare workers (HCWs) in our institution. METHODS: We conducted a cross-sectional study among asymptomatic HCWs in a large hospital during the peak of the pandemic (from July to August 2020 and followed them up until February 2021) in Riyadh, Saudi Arabia. We collected the data in a Microsoft Word document after collecting a single serum sample for detection of antibodies from each participant then we compared the results statically in Microsoft Excel tables. RESULTS: We enrolled 188 participants and measured their IgG antibodies from venous blood samples using CLIA. Six (3.2%) had positive antibodies despite being asymptomatic. Most of these were from non-COVID-19 working areas (4 out of 6), but all had an exposure with a positive COVID-19 patient at some point in the preceding 2 months. CONCLUSIONS: Our results are consistent with similar local studies showing low seroprevalence among HCWs while most positive cases are from non-COVID-19 areas. Despite this low seroprevalence, HCWs are still considered a high-risk group; hence, there is a need to encourage strict implementation and adherence to infection control measures and vaccination among HCWs, especially when these measures are relaxed on the national level.

COVID-19 , SARS-CoV-2 , Antibodies, Viral , Cross-Sectional Studies , Health Personnel , Humans , Saudi Arabia/epidemiology , Seroepidemiologic Studies , Tertiary Care Centers