Zieliński Andrzej
Zakład Epidemiologii Państwowego Zakładu Higieny ul. Chocimska 24, 00-791 Warszawa.
Przegl Epidemiol. 2002;56(2):235-9.
Reemergence of pertussis in a form of epidemic was observed in Poland in 1997/1998. After some decrease of incidence in 1999, year 2000 brought another increase in pertussis morbidity (2,269 cases; incidence 5.9/100,000), most of them in the older age group of 10-14. It indicates rather sustained trend of increased incidence and shift in the age of infected. It may be due to decrease of immunity with age. According to the vaccination calendar in Poland, last pertussis vaccination is given before the age of two. More cases occurred among females (6.3/100,000) than among males (5.4/100,000) and in urban areas (7.8/100,000) than in the rural ones (2.8/100,000). Big differences in numbers of cases reported between different districts and between urban and rural populations bring strong possibility of insufficient sensitivity of the surveillance in many regions of Poland. It is concluded that increase of pertussis incidence in Poland, causes urgent need of additional vaccination in the age of 5 to secure protection for the older age groups.
1997/1998年，波兰出现了百日咳以流行形式再度出现的情况。1999年发病率有所下降后，2000年百日咳发病率又出现上升（2269例；发病率为5.9/10万），其中大多数病例出现在10至14岁的年龄较大组。这表明发病率上升的趋势相当持续，且感染年龄发生了变化。这可能是由于免疫力随年龄下降所致。根据波兰的疫苗接种计划，最后一次百日咳疫苗接种在两岁前进行。女性（6.3/10万）的发病例数多于男性（5.4/10万），城市地区（7.8/10万）的发病例数多于农村地区（2.8/10万）。不同地区以及城乡人口之间报告的病例数存在很大差异，这使得波兰许多地区的监测敏感性不足的可能性很大。得出的结论是，波兰百日咳发病率的上升导致迫切需要在5岁时进行额外接种，以确保对年龄较大组的保护。
