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予防接种是提高人群免疫水平,予防流行性乙型脑炎的重要措施之一,流行性乙型脑炎(下简称乙脑)灭活疫苗在防治乙脑的斗爭中起到了一定作用,已有文献报导。因我省过去很少发生乙脑病例,从未进行过乙脑疫苗予防接种。安达县1974年发现首例乙脑病人,定为乙脑自然疫区。为控制乙脑流行,决定在該县南部各公社进行乙脑疫苗預防按种,在大面积接种前,我们选少量人群进行试种,对其反应及免疫学效果进行較細
Preventive vaccination is one of the important measures to prevent Japanese encephalitis. One of the important measures to prevent Japanese encephalitis is that vaccination against Japanese encephalitis (JE) has played a role in the fight against JE. Literature reports. Due to the rare case of JE in our province, JE vaccine has never been given for vaccination. Anda County in 1974 found the first case of Japanese encephalitis, as JE natural infected area. In order to control the epidemic of JE, we decided to start JE vaccine prevention in the communes of the southern part of the county. According to the plan, we selected a small number of people for trial cultivation before the large-scale inoculation. The response and immunological effects