Measles is a designated disease of public health significance. All suspected cases and patients who are being tested for measles should be reported to Public Health immediately. 

Reporting options

• Online reporting form (Monday to Friday, 8:30 a.m. to 4:30 p.m.)
• Call Public Health at 519-575-4400 
  • If calling after business hours, weekends or holidays, ask to speak to an on-call Public Health manager

A self-assessment tool is available for anyone who may have been exposed.

Vaccine recommendations

Review the Publicly Funded Immunization Schedules for Ontario for measles vaccine recommendations for children and adults.

Visit Vaccine Information for Health Care Providers for vaccine ordering and information.  

Other measles resources

• Measles - Public Health Ontario
  • At a glance: Measles info for health care providers
  • How to Recognize and Respond to Measles
  • Post-exposure prophylaxis for contacts and for immunocompromised persons
• Ontario Public Health Standards Infectious Disease Protocol - Measles
• Clinician Guide for Immune Globulin Measles Post-Exposure Prophylaxis (Region of Waterloo Public Health)