Immunization

Measles Cases in Ontario

The Ontario Ministry of Health and Long-Term Care is working closely with Public Health Ontario and local public health units to monitor and investigate reported measles cases in Ontario. The table below shows current confirmed* cases:

Since January 25, 2015

Public Health Unit of Residence Number of Measles Cases Hospitalizations**
Toronto 10 1
York Region 1 0
Niagara Region 6 1
Halton Region 1 0
Hamilton*** 1 0

*Laboratory confirmation of infection with clinically compatible signs and symptoms in the absence of recent immunization with measles-containing vaccine OR clinically compatible signs and symptoms in a person with a known epidemiologic link to a laboratory-confirmed case of measles.

**only those known to be admitted to hospital

***One confirmed case has been reported in Hamilton. The link between this and the other cases is still under investigation.

Note: this table is updated daily towards the end of each business day. It does not show the cases reported between the update period. Data is provided by the office of Ontario's Chief Medical Officer of Health in collaboration with Public Health Ontario and is collected by public health units across the province.

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