BACKGROUND: There is currently a dramatic increase in the number of COVID-19 cases worldwide, and further drastic restrictions in our daily life will be necessary to contain this pandemic. The implications of restrictive measures like social-distancing and mouth-nose protection on patients with chronic respiratory diseases have hardly been investigated.

METHODS: Our survey, was conducted within the All Age Asthma Cohort (ALLIANCE), a multicenter longitudinal observational study. We assessed the effects of COVID-19 imposed social isolation and use of facial masks, on asthma course and mental health in patients with asthma and wheezing.

RESULTS: We observed a high rate of problems associated with using facemasks and a significant reduction in the use of routine medical care. In addition to unsettling impacts, such as an increase in depression symptoms in adults, an astonishing and pleasing effect was striking: preschool children experienced an improvement in disease condition during the lockdown. This improvement can be attributed to a significant reduction in exposure to viral infections.

CONCLUSION: Long-term observation of this side effect may help improve our understanding of the influence of viral infections on asthma in early childhood.

Original languageEnglish
JournalAllergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology
Issue number1
Pages (from-to)93
Publication statusPublished - 16.09.2021


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