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August 17, 2023 -  The Ministry of the Environment, Conservation and Parks has confirmed the presence of blue-green  algae in a water sample collected on August 13, 2023, at Surprise Lake (along the shoreline of the  cottage on Surprise Lake Road West, which is on the southwest…

August 28, 2023 -  The Ministry of the Environment, Conservation and Parks has confirmed the presence of blue-green algae in a water sample collected at West Loon Lake on August 24 2023. It is important to remember that water should be avoided whenever a blue-green algae bloom is present…

August 30, 2023 -  The Ministry of the Environment, Conservation and Parks has confirmed the presence of blue-green algae in a water sample collected at Hazelwood Lake on August 24, 2023. It is important to remember that water should be avoided whenever a blue-green algae bloom is present…

September 21, 2023 - The Ministry of the Environment, Conservation and Parks has confirmed the presence of blue-green algae in a water sample collected at Kenogamisis Lake on September 18, 2023. It is important to remember that water should be avoided whenever a blue-green algae bloom is…

October 2, 2023 - Both influenza (flu) and COVID-19 vaccines will be available starting this week for community  members in the Thunder Bay District Health Unit (TBDHU) area. The initial roll out for both  vaccines will occur over October with a focus on high-risk individuals, in…

October 30, 2023 - COVID-19 and influenza (flu) shots are now available to the general public. Anyone six  months old or older who lives, works, or studies in Ontario is eligible. 

How to get vaccinated in Thunder Bay area:


Many pharmacies are offering the flu vaccines and some offer…

Letter to Parents and Guardians of High School Students about student immunization programming for 2023/24 school year.

Updated November 2023.

December 1, 2023 - The Thunder Bay District Health Unit (TBDHU) is moving forward with its usual process of enforcing the Immunization of School Pupils Act (ISPA) to ensure students are protected against vaccine preventable diseases. This includes the review and assessment of all student…

As noted in a memo from Ontario's CMOH to health system partners (February 20, 2024), there is an increased risk of measles in the Americas and globally.

Travel is the biggest risk factor for our area and travel related measles cases have been identified in Ontario, with the most recent…

English and French questions and answer sheets regarding Pentacel to Pediacel conversions. Updated March 2024.

LEARN MORE: Spring 2024 COVID-19 Vaccine Campaign.

People in certain priority groups are recommended to get another dose of the COVID-19 vaccine this spring (early April-June 2024). See details in the attachments above.