Decreased Influenza Activity During the COVID-19 Pandemic — United States, Australia, Chile, and South Africa, 2020

Olsen, Sonja J.; Azziz‐Baumgartner, Eduardo; Budd, Alicia; Brammer, Lynnette; Sullivan, Sheena G.; Pineda, Rodrigo Fasce; Cohen, Cheryl; Fry, Alicia M.

doi:10.15585/mmwr.mm6937a6

articleMMWR Morbidity and Mortality Weekly ReportSep 17, 2020DIAMOND OA

Decreased Influenza Activity During the COVID-19 Pandemic — United States, Australia, Chile, and South Africa, 2020

SJSonja J. Olsen EAEduardo Azziz‐Baumgartner ABAlicia Budd LBLynnette Brammer SGSheena G. Sullivan

PubMed

Indexed incrossrefpubmed

Abstract

After recognition of widespread community transmission of SARS-CoV-2, the virus that causes coronavirus disease 2019 (COVID-19), by mid- to late February 2020, indicators of influenza activity began to decline in the Northern Hemisphere. These changes were attributed to both artifactual changes related to declines in routine health seeking for respiratory illness as well as real changes in influenza virus circulation because of widespread implementation of measures to mitigate transmission of SARS-CoV-2. Data from clinical laboratories in the United States indicated a 61% decrease in the number of specimens submitted (from a median of 49,696 per week during September 29, 2019-February 29, 2020, to 19,537…

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Topics & keywords

Topics

Keywords

Medicine
Pandemic
Coronavirus disease 2019 (COVID-19)
Transmission (telecommunications)
Southern Hemisphere
Western hemisphere
Demography
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)

UN Sustainable Development Goals

Good health and well-being

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