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Salud Pública de México

versión impresa ISSN 0036-3634


HERNANDEZ-AVILA, Mauricio et al. SARS-CoV-2 epidemic behavior in worker population affiliated to the Mexican Social Security Institute. Salud pública Méx [online]. 2021, vol.63, n.5, pp.607-618.  Epub 27-Feb-2023. ISSN 0036-3634.


To describe the behavior of SARS-CoV-2 epidemic among workers affiliated to the Mexican Social Security Institute.

Materials and methods:

We analyzed Short Term Disability Claims due to Respiratory Diseases (RD-STDC), associated hospitalizations and deaths (March 1 - December 31, 2020). We estimated the attack rate (AR) for SARS-CoV-2, and relative risks (RR) of TWD-RD, hospitalization and deaths.


1 730 334 workers received at least one RD-STDC. AR was higher in women and in both sexes it was lower in >60 years old. RR of hospitalization and death were higher in men and increased with age. Compared with RD-STDC of 2015-2019, the states of Durango, Tamaulipas and Nuevo Leon had a higher RR of RD-STDC than the rest of the country.


The SARS-CoV-2 epidemic impacted IMSS-affiliated workers significantly. We observed a 4.6 fold excess in RD-STDC compared to the expected frequency and nearly 1 million SARS-CoV-2 cases in this population. Our data suggest that the RD-STDC system can be used as an additional resource for epidemiological surveillance of emerging diseases.

Palabras llave : Covid-19; temporal work disability; Mexico.

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