The utilization status of Lanzhou lamb rotavirus vaccine among children at a vaccination center in Fengtai district Beijing

Abstract

Objective To understand the vaccine coverage and the immunization schedule of Lanzhou Lamb Rotavirus vaccine and to develop a reasonable immunization schedule.Methods To analyze the vaccine coverage,age of immunization and vaccination season of a birth cohort from January 1st 2007 to December 31st 2010 who registered in one vaccination center in Fengtai District Beijing.Results The vaccine coverage was 39.7％ in total,among which children immunized for 1dose,2 doses and 3 doses accounted for 81.6％,15.8％ and 2.6％,respectively.There were 79.7％ children who took their first dose by the age of 18 months.10 months of age is the peak immunization age.The intervals between the first and the second dose was 12 months. The peak season of administration was from July to September.Conclusion The current recommended immunization schedule is not proper according to the rotavirus epidemiology in China.Lanzhou Lamb Rotavirus vaccine is recommended to be administered b at 2-4,5-7 or 9-11months of age. Key words: Rotavirus vaccines; Vaccination; Immunization schedule