| Comments | In late June of 1929, a polio epidemic began in Ontario. While only two cases were reported in June and July, by the first half of August there were 47 cases. Carleton County and the City of Ottawa were most impacted. The epidemic peaked in the last three weeks of September and diminished by the end of December. At the time, this was one of the most severe and widespread polio epidemics recorded in Ontario. As with other polio epidemics, there were significant health outcomes. In Ottawa, for example, of the 176 reported cases, 141 individuals were hospitalized and 29 were left with a form of paralysis. In Ontario, there were a total of 558 cases of which 26 did not survive. |