Potential measles exposure alerts issued after confirmed cases in Calgary area and northern Alberta

A vial of the measles, mumps, and rubella (MMR) vaccine is pictured at the International Community Health Services clinic in Seattle, Washington, U.S., March 20, 2019. Picture taken March 20, 2019. REUTERS/Lindsey Wasson

Confirmed cases of measles in Airdrie and Fort Vermilion come as an outbreak is currently seen in Ontario, and after vaccination rates in Alberta have declined.