Impact of COVID-19 on immunization of Brazilian infants.

International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases
João Guilherme AlvesMarcelo Luis Urquia

Abstract

To examine recent vaccination trends among Brazilian children during their first year of life, and the impact of the coronavirus disease 2019 (COVID-19) pandemic on these trends. Monthly vaccination and birth data from the DATASUS (Department of Informatics of the Unified Health System) database of the Ministry of Health of Brazil were obtained from January 2017 to December 2020. Interrupted time series analysis was used to compare vaccination trends before and after March 2020, when isolation measures were first implemented in Brazil. There was no strong evidence of a significant change in trends during the study period, or before and during the pandemic at national level. However, the mean number of vaccinations per child was 10.6, which is lower than the 13 doses expected under the immunization schedule. Although the pandemic did not appreciably impact on vaccinations, incomplete immunization among children aged <1 year in Brazil is cause for concern. A potential impact of the COVID-19 pandemic on specific antigens or regional and sociodemographic disparities in vaccinations cannot be ruled out without further research.

References

May 21, 2020·Euro Surveillance : Bulletin Européen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin·Helen I McDonaldMichael Edelstein
Jun 28, 2020·International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases·Abdu A AdamuCharles S Wiysonge
Nov 12, 2020·Revista de saúde pública·Camila Carvalho de Souza Amorim MatosMarcia Thereza Couto
Jan 28, 2021·International Journal of Environmental Research and Public Health·Zohra S LassiJai K Das

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Citations

Oct 14, 2021·Human Vaccines & Immunotherapeutics·Manuel Colomé-HidalgoÁngel Gil de Miguel

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