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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) 625-4866
Phone: 625-5976 or toll-free at 1-888-294-6630, ext. 5976
Mail: 999 Balmoral Street, Thunder Bay, ON…
Congenital syphilis case(s) have recently been identified in the TBDHU area. At a national level, record-high numbers of congenital syphilis cases (96 cases) were reported in 2021, representing a significant increase over historical norms of 10 or less cases per year1. Local syphilis rates are…
Everyone 6 months and older is now eligible to receive FREE flu and COVID-19 vaccines if they live, work or go to school in Ontario, unless there is a medical reason not to.
Find a pharmacy - Use the provincial pharmacy locator to find a pharmacy providing COVID-19…
COVID-19 Spring Campaign has launched.
Eligibility is limited so please see below for a specific list under “WHO should receive a COVID-19 vaccine dose this spring?”
Use the provincial pharmacy locator to find a pharmacy providing COVID-19 vaccines. Search by postal code OR by city.
Wait for…
Spring Campaign: Please see below for more information on the Spring Campaign for COVID-19 vaccines.
Fall 2025 Campaign: Wait for the 2025-2026 fall campaign details in October 2025 (COVID-19, flu and RSV vaccines).
Member of a First Nation community in the Thunder Bay District: Please…
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Date
Contents
April 10, 2025
Spring Update: Covid-19 and RSV Vaccine
April 7, 2025
Early Frequent Issues - HPV Primary Screening
NEW Resources: Syphilis, Sexual Health, & U=U
IPV Shortage
Measles Vaccine and Travel…
PLEASE NOTE: This page provides up to date information about active outbreaks within the Thunder Bay and District.
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 are notified through this…
What is Hand, Foot and Mouth Disease?
Hand, foot and mouth disease is an infection caused by the coxsackie virus. The infection can occur at any age, but it is most likely to affect young children. It usually occurs in the summer and fall. This infection is not related to the virus that causes…
What is Amebiasis?
Amebiasis is an intestinal illness caused by a microscopic parasite, called Entamoeba histolytica (ent-a-ME-ba his-to-LI-ti-ka). Amebiasis occurs worldwide. Although, anyone can acquire this illness, it is most common in people who live in developing countries…
What is Anthrax?
Anthrax is an acute infectious disease caused by the spore-forming bacterium Bacillus anthracis. It is primarily a disease of sheep, goats, cattle and swine, but it can also infect humans. Symptoms of the disease usually occur within 7 days after exposure and will vary…
What is Botulism?
Botulism is a rare but serious paralytic illness caused by a nerve toxin produced by the bacterium Clostridium botulinum (klos-trih-dee-um bot-u-li-num). There are four kinds of botulism which are food-borne botulism, wound botulism, infant botulism and adult…
What is Brucellosis?
Brucellosis, or Undulant Fever, is a rare infectious disease caused by Brucella bacteria. These bacteria are passed, and cause disease, primarily among animals. Various Brucella bacteria affect sheep, goats, cattle, deer, elk, pigs, dogs, and several other animals.
Humans…
What is Campylobacteriosis?
Campylobacteriosis (cam·py·lo·bac·teer-ee-o-sis) is a disease caused by bacteria called Campylobacter. Campylobacter infect the intestinal tract and sometimes the blood. There are 16 species and six subspecies assigned to the genus Campylobacter, of which the most…
What is Chickenpox?
Chickenpox is caused by the varicella-zoster virus. About 90 percent of chickenpox cases occur before the child becomes 12 years of age. There is a vaccine.
What are the symptoms of Chickenpox?
Children with chickenpox will feel flu-like symptoms such as fatigue…