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Reporting Obligations
Individuals with suspect or confirmed cases must be reported to the Thunder Bay District Health Unit by the next working day 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,…
Everyone 6 months and older is now eligible for a flu shot.
Some highlights:
Everyone is now eligible for a flu shot and their next dose COVID-19 vaccine if they are 6 months and older.
Those who are considered high risk and priority groups continue to be eligible. …
Vaccine opportunities for Thunder Bay students who received a Suspension Prevention Immunization Notice OR Order for Suspension
Walk-in clinics
Walk-in vaccine clinics for students who received a vaccine letter from TBDHU are an easy way to catch-up on missing vaccines to avoid school suspension…
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.…
Vaccine opportunities for Thunder Bay students who received a Suspension Prevention Immunization Notice OR Order for Suspension
Walk-in clinics
Walk-in vaccine clinics for students who received a vaccine letter from TBDHU are an easy way to catch-up on missing vaccines to avoid school suspension…
Reporting Obligations
Suspected cases must be reported immediately by phone to the Thunder Bay District Health Unit 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-…
Reporting Obligations
Suspected cases of BACTERIAL MENINGITIS 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…
REPORT IMMEDIATELY
Report suspect or confirmed cases immediately by phone to Thunder Bay District Health Unit (TBDHU).
Do not wait for laboratory confirmation.
Call (807) 625-8318 or toll-free 1-888-294-6630, ext. 8318 (Monday-Friday, 8:30am to 4:30pm).
After hours and on weekends…
2025-2026 RSV Program
UPDATES
Older Adults
The 2024-2025 program has expanded to now include:
all individuals aged 75 and older
patients 60+ with glomerulonephritis (GN) who are moderately to severely immunocompromised
Health care providers can begin to administer as soon as they receive…
Reporting Obligations
Individuals with suspect or confirmed cases must be reported to the Thunder Bay District Health Unit by the next working day 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…
Breastfeeding/Chestfeeding during Painful Procedures – Vaccinated Babies
TBDHU recommends breastfeeding/chestfeeding your baby during vaccinations. Research shows that breastfeeding/chestfeeding during painful procedures reduces the baby’s pain and distress. For optimal benefits, the baby…
Vaccine opportunities for Thunder Bay students who received a Suspension Prevention Immunization Notice OR Order for Suspension
Walk-in clinics
Walk-in vaccine clinics for students who received a vaccine letter from TBDHU are an easy way to catch-up on missing vaccines to avoid school…
Canadians head to the polls on Monday, April 28, 2025. Thunder Bay District Health Unit (TBDHU) encourages community members across the Thunder Bay District to get informed, vote, and consider public health when they vote.
Vote
Any Canadian citizen, 18 or older can vote. Voting is a right and…
UPDATES:
The information below has been updated for 2025-2026.
Ontario will have two mRNA COVID-19 vaccines, Moderna Spikevax and Pfizer-BioNTech
Comirnaty
INFLUENZA VACCINES – Please visit the dedicated health care provider Influenza web page for more information.
RSV VACCINES - Please…
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Date
Contents
April 2, 2026
COVID-19 Spring Campaign
RSV Update – Infants
RSV Update – High-Risk Older Adult
Influenza
March 31, 2026
Medetomidine Risk to People Who Use Substances
Provider Participation Requested:…