OUTCOMES OF BORDETELLA-PERTUSSIS INFECTION IN DIFFERENT AGE-GROUPS OF AN IMMUNIZED POPULATION

被引:82
作者
HE, QS
VILJANEN, MK
NIKKARI, S
LYYTIKAINEN, R
MERTSOLA, J
机构
[1] UNIV TURKU,DEPT MED MICROBIOL,TURKU,FINLAND
[2] TURKU UNIV HOSP,DEPT PEDIAT,SF-20520 TURKU,FINLAND
[3] PAIMIO HLTH CTR,PAIMIO,FINLAND
基金
芬兰科学院;
关键词
D O I
10.1093/infdis/170.4.873
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Outcomes of Bordetella pertussis infection were studied in 3 age groups (1-3, 4-6, and 7-15 years) during outbreaks in one day care center (n = 29) and in two elementary schools (n = 210). A total of 76 children were confirmed as having B. pertussis infection; 74 were confirmed by polymerase chain reaction (PCR) and 18 by culture. A positive PCR result was less common in children 1-3 years old than in those 4-6 (P = .006). Asymptomatic B. pertussis infection was more common in preschool children than in schoolchildren (P < .001), whereas schoolchildren presented with symptoms compatible with clinical pertussis more often than preschool children (60/210 vs. 3/29, P = .029). In the community of 12,691, the attack rate (laboratory-confirmed patients/100,000) was 317 in children < 4 years, 1838 in children 4-6 years, 2535 in children 7-15 years, and 248 in persons > 15 years. The protection provided by conventional pertussis vaccine is evidently rather short-lived, and booster vaccinations are needed to eradicate pertussis among schoolchildren and adults.
引用
收藏
页码:873 / 877
页数:5
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