Trends in molecular testing for respiratory viruses in pediatric emergency department nasopharyngeal swabs before and afterschool closure

University of Michigan - Ann Arbor

Influenza A infections decreased most significantly, by more than 30-fold following school closures (RR 0.03, 95% CI 0.004 ,0.2). The infection rates of other respiratory viruses, including common human coronaviruses (HCoVs), varied slightly. The authors argue that annual and periodic antigenic drift give influenza A access to populations without pre-existing immunity, comparable to that of SARS-CoV-2.

Dramatic decrease of laboratory‐confirmed influenza A after school closure in response to COVID‐19: Results

Perez‐Lopez A, Hasan M, Iqbal M, Janahi M, Roscoe D, Tang P. Dramatic decrease of laboratory‐confirmed influenza A after school closure in response to COVID‐19. Pediatric Pulmonology. 2020;1–2.
https://doi.org/10.1002/ppul.24933

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