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Volume 28, Supplement—December 2022

Lessons Learned from CDC’s Global COVID-19 Early Warning and Response Surveillance System

Philip M. RicksComments to Author , Gibril J. Njie, Fatimah S. Dawood, Amy E. Blain, Alison Winstead, Adebola Popoola, Cynthia Jones, Chaoyang Li, James Fuller, Puneet Anantharam, Natalie Olson, Allison Taylor Walker, Matthew Biggerstaff, Barbara J. Marston, Ray R. Arthur, Sarah D. Bennett, and Ronald L. Moolenaar
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (P.M. Ricks, G.J. Njie, F.S. Dawood, A.E. Blain, A. Winstead, A. Popoola, C. Li, J. Fuller, P. Anantharam, N. Olson, A. Taylor Walker, M. Biggerstaff, B.J. Marston, R.R. Arthur, S.D. Bennett, R.L. Moolenaar); Agency for Toxic Substances and Disease Registry, Atlanta (C. Jones)

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Table 2

Hours worked by CDC EWARS team during COVID-19 epidemiologic weeks 3–9, January 20–March 7, 2020*

Indicator Epidemiologic week; beginning date
3; Jan 25 4; Feb 1 5; Feb 8 6; Feb 15 7; Feb 22 8; Feb 29 9; Mar 7
No. team members 1 4 5 6 7 7 7 9†
Average no. hours worked/d‡ 10.0 10.2 9.2 7.6 6.7 6.8 7.0 8.2
Total person-hours/wk 70 184 294 235 296 302 345 1,726
Cumulative no. reporting countries 13 25 28 29 32 63 103
No. new cases 38 135 186 331 1,037 5,238 17,346 24,311

*Data are based on a 7-day work week. CDC, US Centers for Disease Control and Prevention; EWARS, early warning and response surveillance; –, not applicable. †The team comprised 9 different persons during study period. ‡Accounts for the average no. hours each person worked per day during the week.

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Page created: June 01, 2022
Page updated: August 16, 2022
Page reviewed: August 16, 2022
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