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. 2018 Jul 24;18:906. doi: 10.1186/s12889-018-5759-0

Fig. 2.

Fig. 2

the age specific protection rate of measles virus among health population in China, 2009 to 2015. a: the protection rate of measles virus among children less than 12 months; b, the protection rate of measles virus among children between one-year-old and four-year-old; c, the protection rate of measles virus among children between five-year-old and 14year-old; d, the protection rate of measles virus among population more than 14 years old