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Figure 1 | BMC Infectious Diseases

Figure 1

From: Characterizing the epidemiology, virology, and clinical features of influenza in China’s first severe acute respiratory infection sentinel surveillance system, February 2011 – October 2013

Figure 1

Location of 10 sentinel sites for severe acute respiratory infection (SARI) surveillance in China. The Qinling Mountain – Huaihe River serves as the dividing line between north and south China. This border is located at 32- 34°northern latitude. North China has a monsoon climate of medium latitudes, while south China has a subtropical monsoon climate.

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BMC Infectious Diseases

ISSN: 1471-2334

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