1978年,荷兰和加拿大的三个省(安大略,阿尔柏达和不列颠哥伦比亚)暴发Ⅰ型脊髓灰质炎,并由流行病学和实验室资料证实。荷兰的流行自4月中旬开始,延续6个月,共报告110例,其中80例为麻痹性,1例死亡。年龄<1岁～14岁者65名,15～44岁者45名,所有病人均由宗教原因拒绝预防接种。 Type I poliomyelitis was reported in three provinces of Netherlands and Canada (Ontario, Albuquerque and British Columbia) in 1978 and was confirmed by epidemiological and laboratory data. The Dutch epidemic started in mid-April and lasted 6 months, reporting a total of 110 cases, of which 80 were paralytic and 1 died. 65 patients aged <1 year to 14 years and 45 persons aged 15-44, all of whom refused refusal of immunization for religious reasons.