5Smit SB, Hardie D , Tiemessen CT. Measles virus genotype B2 is not inactive: evidence of continued cireulationin Africa [J]. J Med Virol, 2005, 77(4):550-557.
6Itoh M, Okuno Y, Hotta H. Comparative analysis of titers of antibody against measles virus in sera of vaccinated and naturally infected Japanese individuals of different age groups [J]. J Clin Microbiol, 2002,40(5):1733-1738.
7Mossong J, Muller CP . Modelling measles reemergenceas a result of waning of immunity in vaccinated populations[J].Vaccine , 2003 , 21(31) :4597-4603.
8St Sauver JL , Dhiman N , Ovsyannikova IG, et al. Extinction of the human leukocyte antigen homozygosity effect after two doses of the measles-mumps-rubella vaccine [J].Hum Immunol ,2005 ,66(7) :788-798.
9Santibanez S, Tiseher A, Heider A, et al. Rapid replacement of endemic measles virus genotypes [J]. J Gen Virul,2002,83(Pt 11):2699-2708.
10Oliveira MI, Curti SP ,Figueiredo CA, et al . Molecular analysis of a measles virus isolate from Brazil: a case originating in Japan [J]. Acta Virul ,2004,48(1) :9-14.