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本文根据近三年世界卫生组织疫情周刊中不完整的报告材料,综述了几种常见传染病的流行及防治情况,以供参考。呼吸道传染病流行性感冒造成全世界大流行威胁的是甲型流感。自1968年出现香港株(A/Hong Kong/1/68 H_3N_2),引起第五次世界性大流行以后,近年来其抗原性(包括血凝素及神经氨酸酶方面)又不断发生变异。通过不同毒株及其制备的抗血清交叉血凝抑制试验及神经氨酸酶抑制试验证明,这
Based on the incomplete report materials in the WHO epidemic weeks in recent three years, this article reviews the prevalence and prevention and cure of several common infectious diseases for reference. Influenza A Influenza A is caused by the flu that causes the world’s pandemic. Since the emergence of the Hong Kong strain (A / Hong Kong / 1/68 H_3N_2) in 1968, which caused the fifth worldwide pandemic, its antigenicity (including hemagglutinin and neuraminidase) has been continuously mutated in recent years. Crossing the hemagglutination inhibition test and neuraminidase inhibition test of different strains and their prepared antiserum proved that