Nationally representative SARS-CoV-2 antibody prevalence estimates after the first epidemic wave in Mexico
Por:
Basto-Abreu A., Carnalla M., Torres-Ibarra L., Romero-Martínez M., Martínez-Barnetche J., López-Martínez I., Aparicio-Antonio R., Shamah-Levy T., Alpuche-Aranda C., Rivera J.A., Barrientos-Gutierrez T., Cuevas-Nasu L., Gaona-Pineda E.B., Ávila-Arcos M.A., Reyes-Sánchez F., Torres-Álvarez R., López-Olmedo N., Vidaña-Perez D., González-Morales R., Barrera-Nuñez D., Perez-Ferrer C., Gaspar-Castillo C., Stern D., Canto-Osorio F., Sanchez-Pájaro A.
Publicada:
1 ene 2022
Resumen:
Seroprevalence surveys provide estimates of the extent of SARS-CoV-2 infections in the population, regardless of disease severity and test availability. In Mexico in 2020, COVID-19 cases reached a maximum in July and December. We aimed to estimate the national and regional seroprevalence of SARS-CoV-2 antibodies across demographic and socioeconomic groups in Mexico after the first wave, from August to November 2020. We used nationally representative survey data including 9,640 blood samples. Seroprevalence was estimated by socioeconomic and demographic characteristics, adjusting by the sensitivity and specificity of the immunoassay test. The national seroprevalence of SARS-CoV-2 antibodies was 24.9% (95%CI 22.2, 26.7), being lower for adults 60 years and older. We found higher seroprevalence among urban and metropolitan areas, low socioeconomic status, low education and workers. Among seropositive people, 67.3% were asymptomatic. Social distancing, lockdown measures and vaccination programs need to consider that vulnerable groups are more exposed to the virus and unable to comply with lockdown measures. © 2022, The Author(s).
Filiaciones:
Basto-Abreu A.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Carnalla M.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Torres-Ibarra L.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Romero-Martínez M.:
Center for Research in Evaluation and Surveys, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Martínez-Barnetche J.:
Center for Research on Infectious Diseases, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
López-Martínez I.:
Institute for Epidemiological Diagnosis and Reference, Mexico City, Mexico
Aparicio-Antonio R.:
Institute for Epidemiological Diagnosis and Reference, Mexico City, Mexico
Shamah-Levy T.:
Center for Research in Evaluation and Surveys, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Alpuche-Aranda C.:
Center for Research on Infectious Diseases, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Rivera J.A.:
National Institute of Public Health, Cuernavaca, Mexico
Barrientos-Gutierrez T.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Cuevas-Nasu L.:
Center for Research in Evaluation and Surveys, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Gaona-Pineda E.B.:
Center for Research in Evaluation and Surveys, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Ávila-Arcos M.A.:
Center for Research in Evaluation and Surveys, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Reyes-Sánchez F.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Torres-Álvarez R.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
López-Olmedo N.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Vidaña-Perez D.:
Center for Research in Evaluation and Surveys, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
González-Morales R.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Barrera-Nuñez D.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Perez-Ferrer C.:
National Institute of Public Health, Cuernavaca, Mexico
CONACYT- National Institute of Public Health, Cuernavaca, Mexico
Gaspar-Castillo C.:
Center for Research on Infectious Diseases, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Stern D.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
CONACYT- National Institute of Public Health, Cuernavaca, Mexico
Canto-Osorio F.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Sanchez-Pájaro A.:
Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
National Institute of Public Health, Cuernavaca, Mexico
Gold
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