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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.

Like public beaches, pools and other artificial recreational waters are great places to have fun and cool off in the summer. However, they can also be a breeding ground for recreational waterborne illnesses (RWIs), including a wide variety of infections such as gastrointestinal, skin, ear,…

The effects of pesticides (including herbicides, fungicides and insecticides) on human health are complex and not completely understood. However, there are clear links between pesticide use and illness. The Thunder Bay District Health Unit’s role is to provide recommendations and information about…

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…

West Nile Virus is transmitted, or spread, to humans through a bite from an infected mosquito.

TBDHU has been monitoring the local mosquito population for many years to identify any risk. This is done by trapping mosquitos and testing them. To date, West Nile Virus is not endemic in our area and…

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…

Rodents and insects can be a big problem for both homeowners and business owners. The Thunder Bay District Health Unit provides information about prevention and control, and public health inspectors inspect businesses in the District – particularly restaurants and food vendors – for signs of pests…

Water – it’s not just for drinking! Kids and adults alike love to splash around in it, water ski on it, and dive down into it, especially on a hot day. But water is also an excellent place for germs to live. Whether it is outdoors at our local beaches and lakes or indoors in our pools and spas, we…

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…

COVaxON is the electronic documentation system that must be used for documenting all COVID-19 vaccinations in Ontario. Users must be created and “on-boarded” to the system. TBDHU is an authorizing organization or “AO” for creating new user accounts or reactivating previous accounts.
If you…

In accordance with the Municipal Act, 2001, the Board of Health has approved a User Fee Policy for goods and services for which a fee is charged.

Updated: November 20, 2024


Vaccination Fees


VACCINE
 

FEE PER DOSE

Resolution 10-2017 (January 18, 2017…

Year
Location
Water Sample Date
Date BGA Identified




2024
Marie Louise Lake
September 21, 2024
October 8, 2024


 
McKenzie Beach Avenue (Shuniah)
August 27, 202
August 29, 2024


 
Two Island Lake
August 22, 2024…

UPDATES:

Spring 2025 campaign has launched as of April 2025

INFLUENZA VACCINES – Please visit the dedicated health care provider Influenza web page for more information.
RSV VACCINES - Please see the dedicated health care provider RSV web page for more information. 

 
2024-2025…