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Ticks are Present in Thunder Bay and District
The percentage of blacklegged ticks In the City of Thunder Bay area infected with Borrelia burgdorferi (the causative agent of lyme Disease) is greater than 40% as of 2023.
 
The City of Thunder Bay and immediately surrounding area are…

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…

Facts

Measles is among the most contagious diseases and can lead to severe complications, including pneumonia, brain swelling, premature birth and death.
Vaccination is the best way to protect yourself and your loved ones from measles, and to limit spread of measles in our community.
The measles,…


More information on the 2025/2026 flu shot season will be posted here when it is available.

 
For more information about Ontario's campaigns:

FLU - To learn more, visit Ontario.ca/flu
COVID-19 - To learn more, visit Ontario.ca/COVID-19


Updates

Guidance for 2025/2026 respiratory illness season will be updated in the fall and will be available on these dedicated pages:

Influenza
COVID-19
RSV




 
In this section, health care providers can access important information about public health as it pertains to their…

Reporting Obligations

Suspected cases must be reported immediately by phone to TBDHU at 625-5930 or toll-free 1-888-294-6630, ext. 5930 (Monday-Friday, 8:30am to 4:30pm). After hours and on weekends/holidays call Thunder Bay Answering Service at (807) 624-1280.

Epidemiology

Aetiologic Agent:…

Reporting Obligations

Suspected outbreaks must be reported immediately by phone to TBDHU at 625-8318 or toll-free 1-888-294-6630, ext. 8318 (Monday-Friday, 8:30am to 4:30pm). After hours and on weekends/holidays call Thunder Bay Answering Service at (807) 624-1280.

Use the following line…

Special Event Notification Required
- Visit TBDHU.com/specialevents where you will find all of the information required if you or your business is providing any body art or salon services at a special event like a festival or fair where these services will be available to the general public.
-…

In this section, childcare, preschool, elementary school and secondary school educators can find useful information about public health topics such as physical activity, nutrition, sexual health, oral health and more.


Healthy Schools


Teacher Resources
Ressources pour les Enseignants
Healthy…


PHOTO OPTION for reporting vaccines for children 0-18: Photos of immunization (vaccine) records of children 0-18 can now be reported to TBDHU by uploading to a safe and secure TBDHU link. Visit the upload page to send us the records.
USE ICON to easily access vaccines: Register for an…

Reporting Obligations

Suspected cases, including Ebola virus disease, Marburg virus disease, Lassa fever, and other viral causes, must be reported immediately by phone to the Thunder Bay District Health Unit at 625-8318 or toll-free 1-888-294-6630, ext. 8318 (Monday-Friday, 8:30am…

Reporting Obligations

Suspected cases must be reported immediately by phone to the Thunder Bay District Health Unit at 625-8318 or toll-free 1-888-294-6630, ext. 8318 (Monday-Friday, 8:30am to 4:30pm). After hours and on weekends/holidays call Thunder Bay Answering Service at (807) 624-1280.…

Reporting Obligations

Laboratory confirmed cases must be reported to the Thunder Bay District Health Unit by fax, phone or mail.


Fax: (807) 625-4822
Phone: 625-8318 or toll-free at 1-888-294-6630, ext. 8318
Mail: 999 Balmoral Street, Thunder Bay, ON P7B 6E7


 

Annual Universal…

Reporting Obligations

Suspected outbreaks must be reported immediately by phone to the Thunder Bay District Health Unit at 625-8318 or toll-free 1-888-294-6630, ext. 8318 (Monday-Friday, 8:30am to 4:30pm). After hours and on weekends/holidays call Thunder Bay Answering Service at (807) 624-1280.…

Please see Monkeypox and Other Orthopoxviruses for updated information on Monkeypox

 

Reporting Obligations

Suspected cases must be reported immediately by phone to the Thunder Bay District Health Unit at 625-8318 or toll-free 1-888-294-6630, ext. 8318 (Monday-Friday, 8:30am to 4:30pm…