Sociodemographic data and results of the surrogate virus neutralization test to detect anti-SARS-CoV-2 antibodies in asymptomatic healthcare workers.

This data record contains a single dataset, HCW seroprevalence_FINALdataset_BMC_08072020.xlsx, in .xlsx file format.The dataset includes data on 400 recruited healthcare workers (HCW) from the National Public Health Laboratory and two COVID-19 designated public hospitals in Klang Valley, Malaysia between April 13th and May 12th, 2020.Sociodemographic information, history of contact with COVID-19 cases within the past month, clinical signs and symptoms, adherence to universal precautions as well as results of the surrogate virus neutralization test, to test for anti-SARS-CoV-2 antibodies, are reported.Study aims and methodology:The aim of this study was to determine the prevalence of anti-SARS-CoV-2 antibodies among asymptomatic HCW.Healthcare workers from the National Public Health Laboratory and two COVID-19 designated public hospitals in Klang Valley, Malaysia, were recruited between April 13th and May 12th, 2020. Quota sampling was applied to ensure adequate representation of the HCW involved in provision of care for patients directly and indirectly. All participants had worked in the respective healthcare facility for at least 30 days prior study enrollment. HCW who were previously confirmed with COVID-19 infection or listed as “patient under investigation” were excluded. A self-administered questionnaire was used to capture sociodemographic information, history of contact with COVID-19 cases within the past month, clinical signs and symptoms and adherence to universal precautions. Blood samples were taken to test for anti-SARS-CoV-2 antibodies by surrogate virus neutralization test.