{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T06:42:20Z","timestamp":1763620940004,"version":"3.40.5"},"reference-count":0,"publisher":"Codon Publications","issue":"3","license":[{"start":{"date-parts":[[2021,5,1]],"date-time":"2021-05-01T00:00:00Z","timestamp":1619827200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["aei"],"abstract":"<jats:p>Background: It has recently been argued that asthma does not increase the risk of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection. If so, the prevalence of asthma in subjects diagnosed with COVID-19 should be lower than in the general population.\nObjective: To determine the prevalence of asthma in Mexican children and adults with SARS-CoV-2 infection.Methods: A public database of the Epidemiological Surveillance System for Viral Respiratory Disease in Mexico was analyzed. Those who underwent the real-time reverse transcriptase-polymerase chain reaction-SARS-CoV-2 (rtRT-PCR-SARS-CoV-2) test from February 27 to June 21, 2020, were included. In addition to the prevalence of asthma, some factors associated with it were investigated.\nResults: Data from 417,366 subjects were analyzed. Asthma prevalence in children, adults, and global were 3.7%, 3.3%, and 3.3%, respectively. Although the asthma prevalence was lower in SARS-CoV-2 positive over negative patients, significant differences were only found in adults (2.8% vs. 3.7% respectively; odds ratio (OR) = 0.74; 95% confidence interval (CI): 0.71\u20130.77); but not in children (3.5% vs. 3.8%, respectively; OR = 0.91; 95%CI: 0.76\u20131.10). Multivariate analysis showed in younger than 18 years that girls and immunosuppression were factors associated with a decrease in the odds to develop asthma. In adults, asthma was positively associated with females, obesity, smoking, immunosuppression, chronic obstructive pulmonary disease, arterial hypertension, and cardiovascular disease.<\/jats:p>","DOI":"10.15586\/aei.v49i3.7","type":"journal-article","created":{"date-parts":[[2021,5,2]],"date-time":"2021-05-02T09:03:36Z","timestamp":1619946216000},"page":"1-7","source":"Crossref","is-referenced-by-count":6,"title":["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"],"prefix":"10.15586","volume":"49","author":[{"given":"Mart\u00edn","family":"Bedolla-Barajas","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1492-1797","authenticated-orcid":false,"given":"Jaime","family":"Morales-Romero","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5292-0728","authenticated-orcid":false,"given":"Tonatiuh Ramses","family":"Bedolla-Pulido","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8720-4289","authenticated-orcid":false,"given":"Carlos","family":"Meza-L\u00f3pez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3984-9928","authenticated-orcid":false,"given":"Mart\u00edn","family":"Robles-Figueroa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Norma Ang\u00e9lica","family":"Pulido-Guill\u00e9n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3037-5124","authenticated-orcid":false,"given":"Luis Gustavo","family":"Orozco-Alatorre","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4720-3289","authenticated-orcid":false,"given":"Carlos Alberto","family":"Andrade-Castellanos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"6228","published-online":{"date-parts":[[2021,5,1]]},"container-title":["Allergologia et Immunopathologia"],"original-title":[],"link":[{"URL":"https:\/\/all-imm.com\/index.php\/aei\/article\/download\/7\/454","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/all-imm.com\/index.php\/aei\/article\/download\/7\/455","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/all-imm.com\/index.php\/aei\/article\/download\/7\/456","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/all-imm.com\/index.php\/aei\/article\/download\/7\/454","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,5,3]],"date-time":"2021-05-03T09:03:57Z","timestamp":1620032637000},"score":1,"resource":{"primary":{"URL":"https:\/\/all-imm.com\/index.php\/aei\/article\/view\/7"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,5,1]]},"references-count":0,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2021,5,1]]}},"URL":"https:\/\/doi.org\/10.15586\/aei.v49i3.7","relation":{},"ISSN":["0301-0546"],"issn-type":[{"type":"electronic","value":"0301-0546"}],"subject":[],"published":{"date-parts":[[2021,5,1]]}}}