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Monthly distribution of EV-D68-positive cases at each study site. The total number and number of EV-D68-positive cases are shown. Arrows indicate the occurrence of Typhoon Haiyan. The genetic sublineages of EV-D68 are shown in Fig. 2. Jan, January; Feb, February; Mar, March; Apr, April; Jun, June; Jul, July; Aug, August; Sep, September; Oct, October; Nov, November; Dec, December.
