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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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October 4, 2021 MEDICAL ADVISORY: Two New COVID-19 Administration Recommendations
September 21, 2021 MEMO: Strategies to Limit Unused Doses and Expanded Third Dose Eligibility  
September 21, 2021 MEMO: Heightened Surveillance for West Nile Virus (WNV)
September 15, 2021 MEMO: Out of Province and Out of Country Vaccinations
September 9, 2021 MEMO: Niagara Specific Guidance for COVID-19 in the School and Childcare Settings
August 31, 2021 MEMO: Vaccinating Eligible Patients with a Third Dose of COVID-19 Vaccine  
August 27, 2021 MEMO: COVID-19 Vaccine Contraindications and Medical Exemptions
August 11, 2021 MEMO: Rotavirus Immunization Program: Product Transition to Rotarix®
August 10, 2021 MEDICAL ADVISORY: Heightened Surveillance for Lyme Disease (LD)
August 10, 2021 MEDICAL ADVISORY: Heightened Surveillance for Hepatitis A
August 9, 2021 MEMO: COVID-19 Guidance for Providing Primary Care and In-person Visits, COVID-19 Vaccinations & Testing
July 5, 2021 MEDICAL ADVISORY: mRNA COVID-19 Vaccines and Myocarditis  
June 22, 2021 MEDICAL ADVISORY: Updated NACI Recommendations on COVID-19 Vaccine Schedules
June 14, 2021 MEMO: Updates to Adverse Events Following Immunization Reporting and Case Definitions
June 7, 2021 MEMO: Available Sexual Health Services and Resources
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