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Syndromic surveillance using monthly aggregate health systems information data: methods with application to COVID-19 in Liberia.
Fulcher IR, Boley EJ, Gopaluni A, Varney PF, Barnhart DA, Kulikowski N, Mugunga JC, Murray M, Law MR, Hedt-Gauthier B; Cross-site COVID-19 Syndromic Surveillance Working Group. Fulcher IR, et al. Among authors: kulikowski n. Int J Epidemiol. 2021 Aug 30;50(4):1091-1102. doi: 10.1093/ije/dyab094. Int J Epidemiol. 2021. PMID: 34058004 Free PMC article.