The spread of measles both between provinces and within is keeping doctors and health officials across much of Canada on their toes.

The virus was eradicated in 1998 but returned, particularly among unvaccinated members of Mennonite Christian communities.

Health officials in York Region are warning of a confirmed measles case on an Air Canada flight that landed at Toronto's ...

Canada’s measles case count has passed 4,500, with the western province of Alberta—which has about five million ...

"Measles is preventable with two doses of a vaccine, which is proven to be very safe and effective. To stop these outbreaks, ...

Maddison McKee, press secretary to Minister of Primary and Preventative Health Services Adriana LaGrange, said the government stands by its approach to the measles outbreak. “Alberta’s government has ...

The regional agency within the World Health Organization says there has been an exponential rise in measles this year ...

Measles cases have been confirmed in six of the region's countries — Argentina, Belize, Brazil, Canada, the United States and Mexico — and investigating the disease's spread is labor-intensive ...

Health officials in Texas have declared the state's measles outbreak over. The virus sickened 762 people since late January.

Measles cases have been confirmed in six of the region's countries — Argentina, Belize, Brazil, Canada, the United States and Mexico — and investigating the disease's spread is labor-intensive ...

Measles cases have been confirmed in six of the region's countries — Argentina, Belize, Brazil, Canada, the United States and Mexico — and investigating the disease's spread is labor-intensive ...

Dr. Hector Ocaranza knew El Paso would see measles the moment it began spreading in West Texas and eastern New Mexico. Highways connect his border city with the epicenter of Texas' massive ...