Single endemic genotype of measles virus continuously circulating in China for at least 16 years.
The incidence of measles in China from 1991 to Recovery - Training Equipment 2008 was reviewed, and the nucleotide sequences from 1507 measles viruses (MeV) isolated during 1993 to 2008 were phylogenetically analyzed.The results showed that measles epidemics peaked approximately every 3 to 5 years with the range of measles cases detected between 56