Factors Associated with an Outbreak of Covid-19 in Oilfield Workers, Kazakhstan, 2020
Bibliographic Data
From March to May 2020, 1306 oilfield workers in Kazakhstan tested positive for SARS-CoV-2. We conducted a case-control study to assess factors associated with SARS-CoV-2 transmission. The cases were PCR-positive for SARS-CoV-2 during June-September 2020. Controls lived at the same camp and were randomly selected from the workers who were PCR-negative for SARS-CoV-2. Data was collected telephonically by interviewing the oil workers. The study had 296 cases and 536 controls with 627 (75%) men, and 527 (63%) were below 40 years of age. Individual factors were the main drivers of transmission, with little contribution by environmental factors. Of the twenty individual factors, rare hand sanitizer use, travel before shift work, and social interactions outside of work increased SARS-CoV-2 transmission. Of the twenty-two environmental factors, only working in air-conditioned spaces was associated with SARS-CoV-2 transmission. Communication messages may enhance workers' individual responsibility and responsibility for the safety of others to reduce SARS-CoV-2 transmission
2019-20 coronavirus outbreak · Coronavirus disease 2019 (COVID-19 · Environmental health · Outbreak · Pandemic · Personal protective equipment · Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 · Transmission (telecommunications · COVID-19 epidemiological studies · COVID-19 impact on air quality · Demography · Engineering · Infection Control and Ventilation · Medicine · Internal Medicine · Virology
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