Whooping cough cases in Ontario on pace for annual record

Toronto

Ontario’s public health agency says the province is on track to reach a record number of whooping cough cases this year, the highest number in more than a decade.

Public Health Ontario says 1,016 cases reported as of Sept. 9, while 1,044 reported in all of 2012

An electron microscope image of the bacteria Bordetella pertussis, which causes whooping cough.
An electron microscope image of the bacteria Bordetella pertussis, which causes whooping cough. (U.S. National Institute of Allergy and Infectious Diseases)

Ontario’s public health agency says the province is on track to reach a record number of whooping cough cases this year, the highest number in more than a decade.

Public Health Ontario says there were 1,044 cases reported in 2012, and as of Sept. 9 of this year, there have been 1,016 cases reported.

That’s compared to 470 cases last reported in June and the five-year average to date of 98.

Infectious disease physician Dr. Isaac Bogoch says whooping cough is most risky for unvaccinated infants, children and older people, and immunization is a key measure to contain outbreaks.

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