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Supplementary Figure 2. Comparison of Proportions of Omicron Lineage XBB.1.5 (a) and HV.1 (B) With 95% CIs, Nationally and by U.S. Department of Health and Human Services Regions 1–10, Estimated With COVID-19 Electronic Reporting and National Respiratory and Enteric Virus Surveillance System–Derived Weights Versus National Respiratory and Enteric Virus Surveillance System Alone — United States, May 14, 2023–November 11, 2023

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