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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…
Reporting Obligations
Suspect cases in institutions 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)…
Our bodies need physical activity. Humans were designed to be on the move many hours of the day. However, today’s modern lifestyles and workplaces mean that we are moving less than ever. Becoming more physically active improves our overall health, builds strength, and makes us feel better…
UPDATES:
October - Pfizer storage and handling chapter is now available
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…
UPDATES:
The information below has been updated for 2024-2025.
COVID-19 VACCINES – For more information, please visit the dedicated health care provider COVID-19 webpage.
RSV VACCINES - Please see the dedicated health care provider RSV web page for more information.
Please direct any…
Thunder Bay District Health Unit has created this dashboard to present up-to-date information about the status of COVID-19, Influenza, RSV, and overall Respiratory Illness activity in the areas served by TBDHU. This dashboard presents the most accurate information available to the TBDHU at the time…
Below you will find tips and answers to common questions related to food, nutrition and keeping well during flu season.
expand_moreGrocery Shopping Tips
In Store
Help pick up things for those self-isolating or people who are more vulnerable.
Be prepared with food items on hand, or a plan to…
FALL/WINTER Vaccines - For more information on each vaccine, including how to get vaccinated, visit the dedicated web pages:
COVID-19
Flu
RSV (protection for infants born in 2024 and high-risk older adults)
Find a pharmacy - Use the provincial pharmacy locator to find a pharmacy…
It is important to use the layers of protection approach to reduce the risk of illness. These layers will help to protect everyone, especially those who are at higher risk of developing severe outcomes from these viruses.
Each layer of protection helps prevent the spread of germs and when combined…
EXPERIENCING COVID-19 SYMPTOMS AND NEED A RECOMMENDATION ON WHAT TO DO NEXT? Use the self-assessment tool.
HAVE OTHER QUESTIONS? Contact a qualified health professional through Health Connect Ontario, 24 hours a day, seven days a week:
• visit Health811 online
• …
Tips
Avoid caffeinated beverages before bed
Avoid screens (T.V., iPads, tablets, lap-tops, computers, phones etc.) at least an hour before bed
Participate in activity and exercise during the day to improve your sleep quality
Reduce noises when going to bed to improve sleep quality…
Are You In?
You're invited to join the Healthy Living Movement! In Thunder Bay and District, more and more people are having fun being active and finding delicious ways to eat healthier. Small changes go a long way for better health. Do what works for you! Are you in?
Healthy Living to Avoid…
Tips
Being active is more fun with friends and family! Grab a buddy (furry friends count too) and get moving.
Explore the great outdoors and all that the city and surrounding area has to offer.
Build physical activity into your day. Choose an active way to get to your destinations.
Remember…
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…