Abstract
During September 1992-February 1993, 68 cases of poliomyelitis occurred among members of a religious community in the Netherlands. Because members of an affiliated religious community in Alberta, Canada, had direct contact (i.e, travel to and from the Netherlands) with members of the affected community, health authorities in Alberta conducted an investigation during January-February 1993 to determine whether this poliovirus had been imported. This report summarizes the results of this investigation.
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