芬兰使用灭活的脊髓灰质炎(简称脊灰)疫苗已成功地控制了脊灰。很显然,据芬兰人群的脊灰抗体判断,有些年代所用的疫苗效果不理想。然而,污水调查表明,野生脊灰病毒的循环实际上已被阻断。但去年出现数例脊灰患者,Hovi及其同事对此已作报道。这起爆发显示公共卫生当局行动迅速以控制爆发和分析致病因子。无论用灭活 Polio has been successfully controlled in Finland using inactivated polio (polio) vaccine. Obviously, according to the polio antibodies in the Finnish population, the vaccines used in some years were not effective. However, sewage surveys have shown that the cycle of wild poliovirus has in fact been blocked. However, several polio patients were reported last year, as reported by Hovi and colleagues. This eruption shows that public health authorities have been quick to control outbreaks and analyze virulence factors. Either inactivated