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1978年,广东发生了解放以来的首次登革热流行。4缶床首例发生于5月2日,血清学证实的首例发生于6月4日。病例首先发生于石湾镇,9月以后,蔓延至几个县市。最后1例发生于11月21日。流行期持续了7个月。在局部暴发点中,发病率可达50%以上。病死率为0.08%。病原学从病原学检查中,可以认为,此次流行是由第4型登革病毒所引起的。血清学检查共检查了180例双份血清,其中补体结合抗体滴度有4倍以上增长者为:登革病毒1型
In 1978, the first dengue epidemic in Guangdong occurred since liberation. The first case of 4 缶 bed occurred on May 2, and the first serological confirmed case occurred on June 4. The first case occurred in Shiwan Town, after September, spread to several counties and cities. The last case occurred on November 21. The popular period lasted seven months. In the local outbreak point, the incidence rate of up to 50%. The fatality rate was 0.08%. From the etiology of etiology, it can be assumed that the epidemic is caused by the type 4 dengue virus. Serological tests examined a total of 180 cases of double serum, which complement antibody titer more than 4 times were: dengue virus type 1