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Volume 28, Supplement—December 2022
SUPPLEMENT ISSUE
Surveillance

Leveraging International Influenza Surveillance Systems and Programs during the COVID-19 Pandemic

Perrine MarcenacComments to Author , Margaret McCarron, William Davis, Ledor S. Igboh, Joshua A. Mott, Kathryn E. Lafond, Weigong Zhou, Marjorie Sorrells, Myrna D. Charles, Philip Gould, Carmen Sofia Arriola, Vic Veguilla, Erica Guthrie, Vivien G. Dugan, Rebecca Kondor, Eric Gogstad, Timothy M. Uyeki, Sonja J. Olsen, Gideon O. Emukule, Siddhartha Saha, Carolyn Greene, Joseph S. Bresee, John Barnes, David E. Wentworth, Alicia M. Fry, Daniel B. Jernigan, and Eduardo Azziz-Baumgartner
Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Main Article

Table 2

Number of SARS-CoV-2 tests and median number of tests per 1,000 persons and per confirmed COVID-19 case among 64 CDC Influenza Division partner LMICs across 3 periods*

Period No. (%) Cumulative no. tests† Median no. tests/1,000 persons (IQR)† Median no. tests/confirmed case (IQR)†
Jan–Jun 2020 41 (64) 40,092,751 8.2 (3.6–24.6) 20.9 (9.3–34.4)
Jan–Sep 2020 42 (66) 158,319,895 28.4 (11.8–70.1) 11.6 (6.8–24.2)
Jan 2020–Oct 2021 45 (70) 1,051,798,691 240.7 (90.1–424.8) 8.5 (5.7–14.0)

*Partner countries were defined as LMICs that received CDC funding to support influenza surveillance activities since 2013. LMICs were included if they reported SARS-CoV-2 testing data on >13% of the days that they reported any COVID-19 data (e.g., confirmed cases and hospitalizations) to approximate 4-times-per-month (4/30 days) reporting. CDC, US Centers for Disease Control and Prevention; IQR, interquartile range; LMICs, low- and middle-income countries. †Testing data were extracted from ministry of health and other government webpages, and included either reverse transcription PCR tests, antigen tests, or both.

Main Article

Page created: May 31, 2022
Page updated: December 11, 2022
Page reviewed: December 11, 2022
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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