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The TBDHU is following a revised province-wide risk assessment for food premises called the Operational Approaches for Food Safety Guideline, 2019. 

This guideline is expected to make better use of the time spent inspecting food premises.   

Food premises include places…

Every year, public health inspectors at the Thunder Bay District Health Unit investigate over 200 suspected rabies cases. No cases have been found in domestic cats or dogs, but it has been found in wildlife in the area including foxes, bats and skunks. The virus can be passed to a human through a…

The Thunder Bay District Health Unit provides information on a large number of infectious diseases. Diseases are listed from A-Z  below for your convenience.

Under the Child Care and Early Years Act, all children attending a licensed child care centre (daycare) must be immunized as required by the local Medical Officer of Health (MOH). The operator of the licensed facility has a legal obligation to make sure that all the children in their care are…

Is Your Organization Interested in Serving Wild Game to the Public?

TBDHU has recently revamped its process for approving applications to serve wild game to the public.

You can apply to serve wild game on a one-time basis such as a fundraising event, or if you are a non-profit, you can apply to…


Section 32 of Ontario Regulation 493 requires that every food premises operator must ensure that at all times during operation there is at least one food handler or supervisor on the premises who has completed provincially-approved food handler training. The Thunder Bay District Health Unit (TBDHU…

What is Food Poisoning?

Foodborne illness, commonly known as food poisoning, happens when people eat food containing harmful germs or organisms including bacteria, viruses, parasites or fungi. Many foods naturally contain small amounts of these germs, but our bodies can usually handle them without…

If you are planning to sell or give away food to the public, learn how to put food safety first! Download a copy of TBDHU’s Special Event Guidelines – Operating Guidelines for Event Organizers and Food Vendors (PDF)


All persons and/or organizations planning to hold an event where food will be…

Providing food to the public carries an immense responsibility. Proper food handling steps must be followed to reduce the risk of foodborne illness (food poisoning) whether you are a national food producer/manufacturer, a restaurant owner, or operating a home-based business. The role of the Thunder…

Adverse Events Following Immunization

An adverse event following immunization (AEFI) is an unwanted or unexpected health outcome that happens after someone receives a vaccine, which may or may not be caused by the vaccine. Although rare, AEFI’s can occur. Potential AEFI side effects and management…

The Thunder Bay District Health Unit provides a variety of resources and services for health-care workers, educators and employers. In this section, you can access useful information about common public health topics such as communicable disease reporting, immunization, general health…

Bed bugs are insects with oval-shaped bodies and no wings. Unlike most public health pests, bed bugs are not known to transmit or spread disease. However, they are certainly a pest - feeding on blood, causing itchy bites and generally irritating their human hosts and they can cause other…

Food safety is extremely important to ensure that the food we eat is safe and free from germs that cause foodborne illness. The Thunder Bay District Health Unit’s role is to maintain food safety in our communities by:


Inspecting preparation areas and procedures for food served to the public…

To ensure the efficacy of vaccines, the cold chain must be maintained according to Ontario's Vaccine Storage and Handling Guidelines (PDF).
Call 625-8810 or toll-free at 1-888-294-6630, ext. 8810 with questions.

expand_moreVaccine Transport


Temperature log books must be submitted with the…

As of August 2024, the following organizations offer TB Skin Testing (TST). Please contact the facility regarding their hours of operation.

PLEASE CONTACT THE FACILITY REGARDING THEIR HOURS OF OPERATION AND THE COSTS ASSOCIATED WITH THIS TEST.

Open to the Public

The following table includes…