Hepatitis A vaccine in Anhui population immunity l -

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Anhui population immunity level among epidemiological observations hepatitis A vaccine

Group and the control group of age, gender , health and other basic equilibrium, observed 1 year after vaccination , disease control group, 13 cases , while no cases occurred in vaccinated group , the protection rate was 100 ( Table 1). (C ) the incidence of the control group : the control group a total of 603 people , the incidence of 13 cases , cases in vaccinated group 4O days after vaccination occurred , cases distributed in 9 months time, more dispersed. T minimum age 8 years maximum age 24 years , 1O ~ 18 years old accounted for 76.92 (10/13) , 19 1 case , young people are widely Tan 0 night stand against the main county health incidence of object. Patients were followed up in the vast majority of these patients were found before the onset of hepatitis A cases , directly or indirectly, with a history of exposure . All patients were cured after treatment ( d ) the vaccination : vaccination were 12,24,48,72 hours of observation after local and systemic reactions after vaccination in 1 patient body temperature rose to 38 All vaccinated have not found any adverse systemic and local reactions of the discussions we have had a small epidemic of hepatitis environment, select the 3 plants * 48 * an observation zone , the Chengguan primary school students, rural residents , rural factory workers To observe the object and randomly divided into these groups inoculated with the group and the control group, observed by 1 year ,[link widoczny dla zalogowanych], 597 non- vaccinated group of cases occurred in the control group of 603 human cases with 13 cases , the incidence rate was 2.16 . In accordance with the formula of vaccine protection ( Dan ) × 1O0), The hepatitis A vaccine protection rate was 100 , in the vaccination process is very quiet , without any adverse reaction of hepatitis A vaccines soon, production is limited, supply and demand match provincial health Zhi broken spear 1995, Hip soil boxing defense base engine 3 ( meet unexpectedly caries screen shield 21 can not be resolved soon , the future use of the vaccine to control hepatitis A popular good purpose , but also through long-term efforts , especially the choice of vaccination age group , need to do a lot of The research, emergency vaccination can control the outbreak of the gradual resolution of such issues . If the vaccine as a commodity, spread vaccination, there is no uniform implementation of vaccination programs , it is difficult to control the epidemic of hepatitis purpose

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