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Co-incidence of BA.1 and BA.2 at the start of Singapore's Omicron wave revealed by Community and University Campus wastewater surveillance.
Chua FJD, Kim SY, Hill E, Cai JW, Lee WL, Gu X, Afri Affandi SA, Kwok WCG, Ng W, Leifels M, Armas F, Chandra F, Chen H, Alm EJ, Tay M, Wong CCJ, Ng LC, Wuertz S, Thompson JR. Chua FJD, et al. Among authors: gu x. Sci Total Environ. 2023 Jun 1;875:162611. doi: 10.1016/j.scitotenv.2023.162611. Epub 2023 Mar 4. Sci Total Environ. 2023. PMID: 36871716 Free article.
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