BackgroundAntibiotic use during pregnancy may increase the risk for asthma in children. We performed a meta-analysis assessing prenatal antibiotic exposure and the risk for childhood wheeze or asthma, as well as for diseases associated with the atopic march. MethodsA systematic literature search protocol (PROSPERO-ID: CRD42020191940) was registered and searches were completed using Medline, Proquest, Embase, …
Category: allergy
Risk factors for developing COVID-19: a population-based longitudinal study (COVIDENCE UK)
Risk factors for severe COVID-19 include older age, male sex, obesity, black or Asian ethnicity and underlying medical conditions. Whether these factors also influence susceptibility to developing COVID-19 is uncertain. Methods We undertook a prospective, population-based cohort study (COVIDENCE UK) from 1 May 2020 to 5 February 2021. Baseline information on potential risk factors was …
Assessment of #Allergic and #Anaphylactic Reactions to mRNA #COVID-19 Vaccines With Confirmatory Testing in a US Regional Health System
Objective To characterize the immunologic mechanisms underlying allergic reactions to these vaccines. Design, Setting, and Participants This case series included 22 patients with suspected allergic reactions to mRNA COVID-19 vaccines between December 18, 2020, and January 27, 2021, at a large regional health care network. Participants were individuals who received at least 1 of the …
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