David Barros-Sierra, Rodrigo Zepeda-Tello, Marcela Tamayo-Ortiz, Hector Osiris Gutiérrez-Díaz, Valeria Aurora Pérez-Chávez, José Antonio Rosa-Parra, Luis Enrique Nieto-Barajas, Mauricio Méndez-Aranda, Luis Alonso Herrera-Montalvo, Mauricio Hernández-Ávila
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引用次数: 0
Abstract
Objective: To characterize the impact of SARS-CoV-2 infection in workers from an essential large-scale company in the Greater Mexico City Metropolitan Area using point prevalence of acute infection, point prevalence of past infection through serum antibodies and respiratory disease short-term disability claims (RD-STDC).
Materials and methods: Four randomized surveys, three during 2020 before and one after (December 2021) vaccines' availability.
Outcomes: point prevalence of acute infection through saliva PCR (polymerase chain reaction) testing, point prevalence of past infection through serum antibodies against Covid-19, RD-STDC and prevalence of symptoms during the previous six months.
Results: Prevalence of SARS-CoV-2 cases was 1.29-4.88%, on average, a quarter of participants pre-vaccination were seropositive; over half of participants with a RD-STDC had antibodies. The odds of having antibodies were 6-7 times more among workers with an RD-STDC.
Conclusions: High antibody levels against Covid-19 in this study population reflects that coverage is high among workers in this industry. STDCs are a useful tool to track workplace epidemics.
期刊介绍:
Salud Pública de México se crea en 1959 y comienza a publicarse bimestralmente a partir de 1961; en 1988 inicia una nueva época en la que se refuerza su carácter de publicación científica con evaluación por pares. Es una revista publicada por el Instituto Nacional de Salud Pública (INSP), organismo descentralizado de la Secretaría de Salud de México, dedicado a la investigación, docencia y difusión del conocimiento en salud pública. El INSP, de acuerdo con la normatividad internacional, otorga a la revista independencia editorial.