[Geographical variation of asthma prevalence among Mexican children during the COVID-19 pandemic].

Objective: The purpose of this study was to analyze the geographic variation in the prevalence of asthma in children, according to their place of residence in Mexico.

Methods: A cross-sectional analysis of the epidemiological surveillance system dataset for respiratory diseases in Mexico carried on. From 27 February to 5 November 2020, a total of 1,048,576 subjects were screened for SARS-CoV2 infection, of which 35,899 were children under 18 years of age.