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阿曼在1988年1月至1989年3月共报告118例脊髓灰质炎病例。发病率为6/10万,其中Batinah区和2岁以下儿童发病率最高,分别是117/10万,87/10万。这次爆发是由Ⅰ型病毒引起的。阿曼在1981年实施扩大的免疫计划。OPV的免疫方案为,3、5和7月龄连服3次疫苗,19月龄加服1次。服苗率(≥3次)由1985年的67%提高到1987年的88%,其中12月龄婴儿高达87%。服苗率如此之高,为何还会爆发脊髓灰质炎呢;作者在查证病例,
A total of 118 poliomyelitis cases were reported from Oman from January 1988 to March 1989. The incidence was 6 / 100,000, of which Batinah district and children under 2 years old the highest incidence, respectively 117/10 million, 87/10 million. The outbreak is caused by the type I virus. Oman implemented an expanded immunization program in 1981. OPV immunization programs, 3, 5 and 7 months of age even served three vaccines, 19 months plus service 1 times. Clothing rate (≥ 3 times) increased from 67% in 1985 to 88% in 1987, of which 12-month-old infants up to 87%. Garlic vaccine rate is so high, why it will polio it; the author in the verification of cases,