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By CHAT News Staff

PUBLIC HEALTH

Measles exposure advisory issued for south Alberta, including Medicine Hat

May 23, 2025 | 6:48 PM

A widespread measles exposure advisory has been issued for the South Zone by Alberta Health Services.

That includes Medicine Hat, Brooks, Lethbridge and various towns and counties around and between them.

AHS says it continues to manage a significant number of cases of measles across the zone, including in individuals with no known exposure source.

It indicates underreporting of measles disease to AHS, and a widespread potential exposure risk across all communities in the zone.

That’s why its issuing a standing measles exposure advisory for the zone effective immediately and until further notice.

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It will replace the use of separate site-specific exposure advisories, which no longer accurately capture the scope of potential risk at this time in the zone, AHS says.

A Medicine Hat emergency room doctor says the Alberta government’s lack of effort to inform citizens about the effectiveness of vaccines has helped spur the ongoing measles outbreak across the province.

This is a breaking story. More details to follow.