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广东省是脊髓灰质炎（脊灰）高发区，按照卫生部的统一部署，在１９９３～１９９６年每年１２月和１月５～６日开展了３次全国消灭脊灰强化免疫日（ＮＩＤｓ）活动。每轮ＮＩＤｓ活动的报告接种率均在９５％以上。３次ＮＩＤｓ活动的零剂次免疫儿童登记率由１０．１７％降至３．７ｌ％，＜ｌ岁儿童零剂次免疫构成由的６４．４３％升至９０．７６％。根据出生队列分析，１９９２、１９９３年出生儿童的实种数，第２次ＮＩＤｓ活动比第１次增加１４．８３％（第ｌ轮）和１４．０８％（第２轮）１９９４年出生儿童的实种数，第３次ＮＩＤｓ活动比第２次增加１７．５０％（第ｌ轮）和ｌｌ．１６％（第２轮）。用省统计局公布的出生人数，对所辖２０个市第３次第２轮ＮＩＤｓ活动做接种率评估，１８个市＜４岁儿童的接种率达到９５％，ｌｌ个市＜ｌ岁儿童的接种率达到９５％。通过实施ＮＩＤｓ活动，有效地控制了零剂次免疫儿童的积累，ｌ９９４年和１９９５年未发现脊灰野病毒病例。
Guangdong Province is a poliovirus (polio) high incidence area. According to the unified plan of the Ministry of Health, three National NIDs Elimination Days (NIDs) were conducted in December 1993 and January 5-6 respectively. . The reported inoculation rates for each round of NIDs activity are above 95%. The number of zero-dose immunization registrations for three NIDs activities dropped from 10.17% to 3.7l%, while the proportion of zero-dose immunization for children <1 years old rose from 64.43% to 90.76%. Based on birth cohort analysis, the number of births in 1992 and 1993 was increased by 14.83% (Round 1) and 14.08% (Round 2) than the first in NIDs in the first instance in 1994. Births in 1994 The number of species, the third NIDs activities than the second increase of 17.50% (round l) and ll. 16% (Round 2). With the number of births announced by the Provincial Bureau of Statistics, the vaccination rate was evaluated for the third round of NIDs activities in 20 cities under the jurisdiction of the municipalities. The vaccination rate of children aged <4 years in 18 cities reached 95%, and vaccination of children aged <1 in 11 cities Rate of 95%. Through the implementation of NIDs activities, the accumulation of zero-dose immunization children was effectively controlled. No cases of poliovirus were found in 1994 and 1995.