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由于流行性腮腺炎疫苗的应用,美国流行性腮腺炎发病率持续降低已有15年。1986年起,向疾病控制中心(CDC)报告的病例有所增加,但比首次推行流行性腮腺炎疫苗接种的1968年还低96%。1987年上半年病例继续增加,是上年同期的4倍。 1986～1987学年,对伊利诺斯、威斯康星和南达科他州的16所大学进行流行性腮腺炎监测,共报告480例,其男女发病率相等,但西伊利诺斯大学(WIU)男性发病率是女性的2.7倍。住宿学生的发病率远高于非住
The incidence of mumps in the United States has been declining for 15 years due to the use of the mumps vaccine. Since 1986, an increase has been reported to the Centers for Disease Control and Prevention (CDC), but it is still 96% lower than in 1968 when the first mumps vaccine was first introduced. In the first half of 1987, the number of cases continued to increase, which is four times of the same period of last year. During the 1986-1987 school year, mumps surveillance was conducted in 16 universities in Illinois, Wisconsin and South Dakota, and a total of 480 cases were reported, with an equal male-female incidence, but the male incidence in the University of Illinois (WIU) was female 2.7 times. The incidence of accommodation students is much higher than non-living