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COVID-19 Vaccines
Evidence shows that mRNA COVID-19 vaccines are safe for people who are trying to get pregnant, are pregnant or are breastfeeding/chestfeeding. COVID-19 vaccines are recommended, at any stage in pregnancy (including first trimester), as COVID-19 infection during pregnancy can be…
Updated Ontario Ministry of Health Guidance: Recommendations for Outbreak Prevention and Control in Institutions and Congregate Living Settings (February 2025).
This information is intended for Congregate Living Settings (CLS) including but not limited to shelters, group homes and…
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…
Opioids
Opioids are drugs that are used primarily to treat pain, Opioids can also induce euphoria (feeling high) and are sometimes used for this purpose. Opioids can be prescribed medications dispensed from a pharmacy or obtained through the illicit market. Some commonly used opioids include:…
In Thunder Bay District, the most common threat to air quality is wildfire smoke. The role of Thunder Bay District Health Unit (TBDHU) is to raise awareness and provide information about this health concern. This page has information on steps you can take to protect your health during wildfire…
For more information on each vaccine, including how to get vaccinated, visit the dedicated web pages listed below. Information for 2025/2026 will be posted on these pages when it is available.
COVID-19
Flu
RSV (protection for infants and high-risk older adults)
Find a pharmacy - Use the…
More information on the 2025/2026 COVID-19 vaccine program, including fall 2025, will be posted here when it is available.
For more information about Ontario's campaign:
COVID-19 - To learn more, visit Ontario.ca/COVID-19
More information will be posted here once it is available for 2025/2026.
Member of a First Nation community in the Thunder Bay District: Please check with your community’s leadership or health care centre for vaccination opportunities.
Eligibility
Spring COVID-19 Campaign:
For…
PLEASE NOTE: This page provides up to date information about active outbreaks within the city of Thunder Bay and the District communities.
An outbreak is declared in a facility when there is a higher than normal rate of respiratory or gastrointestinal symptoms among the residents. The public…
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Date
Contents
July 29, 2025
Adverse Event Following Immunization (AEFI) – Updates to reporting form and fact sheet
World Hepatitis Day 2025
Save the Date: Harm Reduction Conference 2025
WEBINAR RECORDING: Understanding brain…
May 1, 2019 - The 7 public health units in northern Ontario will be working together on climate change and health vulnerability and adaptation reports over the next 2 years with funding support from Health Canada. Climate change is a threat to human health around the world. The changing environment…
April 19, 2020 - Thunder Bay District Health Unit (TBDHU) is reporting 2 new cases of COVID-19 in residents in the TBDHU Region.
For information about the status of COVID-19 in the Thunder Bay District Health Unit area, please visit Current COVID-19 Data in TBDHU.
Details of Newly…
April 21, 2020 - COVID-19 testing is available to more residents in The Thunder Bay District Health Unit (TBDHU) region. Everyone who has a symptom possibly related to COVID-19 infection may be eligible for testing.
Increased testing opportunities are available at assessment centers throughout the…
April 22, 2020 - Thunder Bay District Health Unit (TBDHU) is reporting 4 new cases of COVID-19 in residents in the TBDHU Region.
For information about the status of COVID-19 in the Thunder Bay District Health Unit area, please visit Current COVID-19 Data in TBDHU.
Details of Newly…
April 23, 2020 - The Thunder Bay District Health Unit (TBDHU), in partnership with the Superior North EMS Community Paramedicine Program, will be conducting COVID-19 testing this weekend at the TBDHU office at 999 Balmoral Street, in Thunder Bay.
This testing will take place on Saturday, April 25…