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What is Hand, Foot and Mouth Disease?
Hand, foot and mouth disease is an infection caused by the coxsackie virus. The infection can occur at any age, but it is most likely to affect young children. It usually occurs in the summer and fall. This infection is not related to the virus that causes…
It is normal for babies to cry. Each baby is different but lots of crying is common in the first two to five months of their life. Some may cry more at different times of the day, for example in the evening, and the crying can last for 30 minutes or longer. But remember, your baby is not crying to…
The Thunder Bay District Health Unit (TBDHU) plays a lead role on the Snowmobile, ATV, Vessel Education (SAVE) Committee, a regional initiative designed to:
Promote awareness, education, and enforcement of safe ATVing, boating and snowmobiling throughout Northwestern Ontario to reduce…
Formerly referred to as the Reportable Disease ListUpdated February, 2026 - HIV
Congratulations! You're a grandparent! You have an exciting adventure ahead of you, including all the joys of comforting and caring for your grandchild. You might be the first person your grown child turns to for advice about caring for their baby. Some things have changed since…
Fee schedules for individual programs can be found to the right (desktop) or below (mobile) under Related Content.
The Thunder Bay District Health Unit charges fees for the following:
Fee Description
Fee ($)
NSF Charge1
$25.00
Freedom of Information Requests1
Fees are charged in…
The Thunder Bay District Health Unit oversees a geographic area of over approximately 230,000 square kilometres with approximately 146,000 residents.
Our main office is in Thunder Bay. Branch Offices and/or services are located in Geraldton, Marathon, Red…
Extreme heat events due to a changing climate are a growing public health risk in Canada. Because of our cooler climate in the Thunder Bay District, we can be more susceptible to extreme heat than those who are regularly exposed to it.
Heat Illnesses
Extreme heat puts everyone at risk of heat…
This website contains reports on premises where an infection prevention and control lapse was identified through the assessment of a complaint or referral, or through communicable disease surveillance. It does not include reports of premises that were investigated following a complaint or referral…
Welcome to the Health Unit's own blog - written by public health experts with a Thunder Bay District lens. We look forward to engaging with you on here!
Designated Officers
Each service organization (police, fire, EMS, etc.) has a Designated Officer (DO). The DO receives reports from the Health Unit regarding confirmed or possible exposures and reviews reports from workers from service organizations. The DO is also trained to provide counselling,…