Monitoring progress toward measles elimination by genetic diversity analysis of measles viruses in China 2009–2010
- Zhang, Y.
- Wang, H.
- Xu, S.
- Mao, N.
- Zhu, Z.
- Shi, J.
- Huang, G.
- Liu, C.
- Bo, F.
- Feng, D.
- Lu, P.
- Liu, Y.
- Wang, Y.
- Lei, Y.
- Chen, M.
- Chen, H.
- Wang, C.
- Fu, H.
- Li, C.
- He, J.
- Gao, H.
- Gu, S.
- Wang, S.
- Ling, H.
- Liu, Y.
- Ding, Z.
- Ba, Z.
- Feng, Y.
- Zheng, H.
- Tang, X.
- Lei, Y.
- Xiong, Y.
- Bellini, W.J.
- Rota, P.A.
- Jee, Y.
- Xu, W.
DOIAbstract
AbstractWith the achievement of high coverage for routine immunization and supplementary immunization activities (SIAs), measles incidence in mainland China reached its lowest level in 2010. The proportion of measles cases in the vaccination-targeted population decreased during 2007–2010 after the SIAs. More than 60% of measles cases were in adults or infants, especially in the coastal and eastern provinces during 2009 and 2010. A total 567 isolates of measles virus were obtained from clinical specimens from 27 of 31 provinces in mainland China during 2009 and 2010. Except for two vaccine-associated cases, one genotype D4 strain, two genotype D9 strains, and four genotype D11 strains, the other 558 strains were genotype H1 cluster H1a. Geno...
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