Caring for Kids:
Public Health Agency of Canada:
Public Health Ontario:
See also our Invasive Group A Streptococcal Infection (iGAS) webpage.
Strep Throat
Strep throat is an infection caused by a bacteria (germ) called Group A Streptococcus. It is more common in children than adults.
More information about strep throat
Individual cases are not reportable to the Health Unit.
Should one go to childcare, school, or work if they have strep throat?
Exclude until 24 hours of antibiotic treatment is taken and if too ill to participate in regular activities.
Follow the direction of your healthcare provider or occupational health at your workplace.
Healthcare provider information
Public Health Agency of Canada:
Contact our Communicable Disease Control (CDC) program at 705-474-1400 or toll free at 1-800-563-2808, ext. 5229, or by email to cdc@healthunit.ca for more information.
Last reviewed: Aug 2026, by CDC