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Medical Advisories / Memos

Novel Coronavirus (COVID-19)

For the latest updates, see the frequently asked questions on COVID-19.

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June 14, 2021 MEMO: Updates to Adverse Events Following Immunization Reporting and Case Definitions
June 7, 2021 MEMO: Available Sexual Health Services and Resources
June 4, 2021 MEDICAL ADVISORY: Interchangeability of Authorized COVID-19 Vaccines
May 26, 2021 MEMO: HIV Serology and HIV PCR Test Requisition Updated
April 28, 2021 MEMO: Phase 2 Eligibility for COVID-19 Vaccines and Exceptions to Extended Dose Intervals
April 22, 2021 MEMO: UPDATE - COVID-19 Vaccines: Phase 2
April 14, 2021 MEMO: COVID-19 Vaccines- Phase 2
April 9, 2021 MEMO: Adverse Events Following Immunizations
April 1, 2021 MEDICAL ADVISORY: COVID-19 Vaccines and Interval Recommendations
March 12, 2021 MEDICAL ADVISORY: Supporting the COVID-19 Vaccination Rollout
March 1, 2021 MEMO: Symptoms Post-Vaccination for Health Care Workers
February 18, 2021 MEDICAL ADVISORY: Retesting Previously Positive Patients
February 11, 2021 MEMO: Ontario's Publicly Funded Immunization Schedule Updated
January 27, 2021 MEDICAL ADVISORY: COVID-19 Vaccination Information
December 9, 2020 MEMO: Shortage of Bicillin and Chlamydia/Gonorrhea Specimen Collection Kits
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