Using influenza surveillance networks to estimate state-specific prevalence of SARS-CoV-2 in the United States

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Science Translational Medicine  29 Jul 2020:
Vol. 12, Issue 554, eabc1126
DOI: 10.1126/scitranslmed.abc1126

Fig. S1. Excess ILI for each U.S. state.

Fig. S2. Excess ILI correlates strongly with patterns of newly confirmed COVID-19 cases.

Fig. S3. Surveillance data from New York City emergency departments.

Fig. S4. Prevalence of SARS-CoV-2 infections between 8 and 28 March 2020.

Fig. S5. Syndromic case detection rates by state.

Fig. S6. Estimating the infection fatality rate (IFR) of COVID-19 based on the unadjusted ILI surge.

Fig. S7. Investigating model sensitivity when ILI is modeled without first removing signal from influenza.

Fig. S8. Investigating model sensitivity when seasonal trends in non-influenza ILI are identified using an alternative statistical model.