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Alert Date: 
Monday, February 10, 2020 - 2:00pm
Windsor and Essex County

  • Over the next 6 weeks, you may experience a higher volume of clients seeking immunization-related information and service.
  • It is recommended that you review your vaccine inventory and adjust accordingly.
  • Please remind parents/guardians to update their child’s immunization record DIRECTLY with the WECHU following the administration of any new vaccine doses.
  • Students with incomplete immunization records will be suspended from school on March 11, 2020.


The Windsor-Essex County Health Unit (WECHU) has completed a review of all immunization records for local elementary school students in Junior Kindergarten to Grade 8. This review focused on compliance with the Immunization of School Pupils Act (ISPA), which outlines the vaccines that are required to attend school in Ontario.

  • In late January 2020, suspension notices were sent to all parents/guardians of Windsor and Essex County elementary school students who have incomplete immunization records with the WECHU.
  • The WECHU is requesting that parents/guardians contact their health care provider to receive updated immunization record information, or to make an appointment to receive required vaccines.
  • You may wish to review your vaccine inventory in preparation for a possible increase in requests for immunizations from your patients. Please place additional vaccine orders with the WECHU as needed.
  • Ensuring the accurate administration of needed vaccines will avoid potential delays in updating student records.

The following table is provided as a helpful reference:

School Immunization Reference List
Vaccine Ontario’s Publicly-Funded Schedule
Measles, Mumps, Rubella (MMR) 2 doses on or after the first birthday.
Meningococcal 1 dose of Men-C or Men-C-ACYW after the first birthday.
1 dose of Men-C-ACYW after Grade 7 (age 12).
(Available through school-based clinics & the WECHU)
Tetanus, Diphtheria, Pertussis At least 4 doses, 1 dose must be given after the 4th birthday.
Polio At least 3 doses 1 dose must be given after the 4th birthday.
Varicella 2 doses required for children born in 2010 or later.

Thank you for your collaboration to help ensure the health of our community. For more details, please visit or contact the WECHU’s Vaccine Distribution team at 519-258-2146 ext. 1121


Dr. Wajid Ahmed,
 Medical Officer of Health