Unpredictable whooping cough outbreaks see cases rise in Ont., drop in Que.

Whooping cough cases are on the rise in Ont. and eastern provinces, with a record number of cases expected, while Que. sees a decline. The disease is vaccine-preventable and is seeing peak numbers surpassing pre-pandemic levels in Que., Ont., P.E.I., N.L. and N.B., where an outbreak was declared in Aug. Western provinces maintain regular counts while Ont. reported an adult death from whooping cough. The disease poses the highest risk to unvaccinated infants, children and older people.