In northern China, the RR values of ILI, Flu A, and Flu B all showed a decreasing trend, with the highest RR at −16 °C of 1.640 (95% CI: 1.506–1.786), 46.735 (95% CI: 24.193–90.281), and 8.912 (95% CI: 5.837–13.608), respectively.
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Association between Temperature and Influenza Activity across Different Regions of China during 2010-2017.
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The sentences
Moreover, the ILI rate in southern China had an increasing trend each year.