Children aged 3-16 years with a medical diagnosis of asthma, will be assessed for asthma control, exacerbation rate.
Data will be compared to data from other observational cohorts conducted in the same region prior to the pandemic.
A sub-population of children 3-16 years will be assessed at exacerbation and at a follow-up visit, 2-4 months later, with clinical data, biological and microbiological samples.