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Updates & Alerts

Read our communications to clinicians regarding updates to the diagnosis and management of infectious diseases in addition to alerts of changes in the local epidemiology of such diseases.

A list of current clinician communications
Date Issued Title Topic
Clinicians Update: Confirmed Case of Pertussis (Leamington) Pertussis
Clinicians Update: Confirmed Case of Pertussis (Leamington) Infectious Disease Prevention
Public Health Update for Health Care Providers: Ebola Outbreak in DRC and Uganda Deemed a Public Health Emergency of International Concern Infectious Disease Prevention
Infant and High-Risk Children RSV Prevention Program Update for the 2025-2026 Season Infectious Disease Prevention
Healthcare Provider Update Infectious Disease Prevention
Diseases of Public Health Significance Reporting Infectious Disease Prevention
Shortage of Benzathine Penicillin G (Bicillin® L-A) Vaccine
Shortage of Benzathine Penicillin G (Bicillin® L-A) Infectious Disease Prevention
Updates for WEC Health Care Providers (HCPs): Adult RSV Vaccine, Student Immunization Notices, and Vaccine Ordering Infectious Disease Prevention
Public Health Update for Clinicians: CNPHI Alert: Ceftriaxone-resistant Gonorrhea and Summary of Treatment and Follow-Up for Uncomplicated Gonococcal Infections Infectious Disease Prevention
Public Health Update for Clinicians: Measles Update Measles
Public Health Update for Clinicians: Update to Measles Outbreak Preparedness and Response in Ontario Measles
Public Health Update for Clinicians: Updated Requirements for Proof of Immunity to Measles in Individuals Working in Schools and Childcare Settings Measles
Public Health Update for Clinicians: Updated Requirements for Proof of Immunity to Measles in Individuals Working in Schools and Childcare Settings Infectious Disease Prevention
Public Health Update for Clinicians: Response to Measles Risk Infectious Disease Prevention
Public Health Update for Clinicians: Response to Measles Risk Infectious Disease Prevention
Public Health Update for Clinicians: Response to Measles Risk Infectious Disease Prevention
Public Health Update for Clinicians: Response to Measles Risk Infectious Disease Prevention
Public Health Update for Clinicians: Confirmed measles case in Windsor-Essex Infectious Disease Prevention
Public Health Update for Clinicians: Multi-jurisdictional Measles Outbreak in Ontario Infectious Disease Prevention
Public Health Update for Clinicians: Change to Preferred Treatment Regimen for Uncomplicated Gonococcal Infections Infectious Disease Prevention
Public Health Update for Clinicians: Rise in Syphilis and Congenital Syphilis: Screening Recommendations and Treatment Protocols Infectious Disease Prevention
- Public Health Update for Clinicians: Health Advisory for Travel Related Maha Kumbh Mela in India Infectious Disease Prevention
Public Health Update for Clinicians: Legionella Testing Recommendations Infectious Disease Prevention
Public Health Update for Clinicians: Updated Measles Resources Infectious Disease Prevention
Public Health Update for Clinicians: Dramatic Rise in Measles Cases Globally Infectious Disease Prevention
Public Health Alert for Clinicians: Confirmed travel-related measles case in Windsor-Essex Infectious Disease Prevention
Bicillin-LA STI Medication Order Form Now Available on WECHU Website Infectious Disease Prevention
Pharmacy Memorandum: Provincially Funded Medications for the Treatment of Sexually Transmitted Infections (STIs) at No Cost to Clients Infectious Disease Prevention
Public Health Updates for Clinicians: Congenital Syphilis on the Rise in Windsor and Essex County Infectious Disease Prevention
New Vector-borne Reportable Illnesses: Anaplasmosis, Babesiosis, and Powassan Virus Infectious Disease Prevention
Multi-drug Resistant Neisseria Gonorrhea Infection in Ontario Infectious Disease Prevention
HIV Testing Update Infectious Disease Prevention
XDR Shigella sonnei Infectious Disease Prevention
Mpox Clinician Update Infectious Disease Prevention
Measles Preparedness Infectious Disease Prevention
Case of Tularemia (Windsor and Essex County) Infectious Disease Prevention
Confirmed Cases of Pertussis (Leamington/Wheatley) Infectious Disease Prevention
Syphilis Testing Infectious Disease Prevention
Memo: Aconitine Poisoning Products - Safety Alert
Updated Monkeypox Clinician Update from the Office of the Ontario Chief Medial Officer of Health Infectious Disease Prevention
Updated Recommendations For Personal Protective Equipment (PPE) Infectious Disease Prevention
Novel Coronavirus (2019-nCoV) Infectious Disease Prevention
Novel Coronavirus (2019-nCoV) Outbreak Infectious Disease Prevention
Ministry of Health reminder regarding influenza vaccine administration Vaccine
Free medications for the treatment of sexually transmitted infections Sexually Transmitted & Bloodborne Infections
Ongoing Outbreak of XDR S. Typhi in Pakistan Enteric Diseases/ Vaccine-Preventable Diseases
Updated Gonorrhea Guidelines Sexually Transmitted & Bloodborne Infections
Reports of Influenza in young children/infants in Windsor and Essex County Respiratory Diseases/Vaccine-Preventable Diseases
Reports of Influenza in young children/infants in Windsor and Essex County Infectious Disease Prevention
PHO Lyme Disease Serology Update Vector-Borne Diseases