Bedolla-Barajas, M. et al. 2021. Low prevalence of asthma in Mexican children and adults with a positive rtRT-PCR test for SARS-CoV-2: a cross-sectional study during the 2020 pandemic. Allergologia et Immunopathologia. 49, 3 (May 2021), 1–7. DOI:https://doi.org/10.15586/aei.v49i3.7.