Diseases of Public Health Significance (Reportable Diseases)

As of May 1st, 2018, “Reportable Diseases" are now referred to as "Diseases of Public Health Significance". Malaria and yellow fever are no longer reportable.

Download the full Diseases of Public Health Significance list.

Health care providers who suspect or have confirmation of the “Diseases of Public Health Significance”, or their “etiologic agents”, as per Ontario Reg 135/18 and amendments under the Health Protection and Promotion Act, must report them to the local Medical Officer of Health.

Report diseases listed below to:

  • Fax: (807) 625-4822 OR Phone: 625-8318 or toll-free at 1-888-294-6630, ext. 8318
  • For after hours, weekends, and holidays call the Thunder Bay Answering Service at (807) 624-1280
  • Fill out and fax form to (807) 625-4822

For more information on each of the diseases, click on the disease in the list below OR on the navigation bar to the left. Information on each disease will be reviewed annually as well as updated immediately as needed. Please use the contact information listed above should you have any questions about the information on each disease.


Report Immediately: 


Report By Next Working Day:


For Further Information

Call the Infectious Disease Program: (807) 625-5900

or toll-free: 1-888-294-6630


Last Updated: