Public Health Alerts

Measles update October 23, 2025

To: Ottawa Physicians and Nurse Practitioners  
Date: October 23, 2025
From: Dr. Michelle Foote, Associate Medical Officer of Health
Subject: Measles update October 23, 2025

Dear Colleagues,

Ottawa Public Health (OPH) has recently confirmed five measles infections among related individuals. At this time, there is no evidence of transmission in the general community, and the risk to the general population remains low.

Contacts in the community who could be identified and contacted were notified directly of...

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Information for the 2025/2026 COVID-19 Vaccine Program and Universal Influenza Immunization Program

To: Ottawa Physicians and Nurse Practitioners
Date: September 25, 2025
From:  Dr. Laura Bourns, Deputy Medical Officer of Health
Subject: Information for the 2025/2026 COVID-19 Vaccine Program and Universal Influenza Immunization Program 

Dear Colleagues,

This communication provides details on the 2025-2026 Universal Influenza Immunization Program (UIIP) and COVID-19 vaccine program. Under these programs, publicly funded COVID-19 and influenza vaccines will be available this fall, first for high-risk and...

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Rocky Mountain Spotted Fever Exposures at Long Point, ON

To: Ottawa Physicians and Nurse Practitioners
Date: September 22, 2025
From: Dr. Emil Prikryl, Associate Medical Officer of Health
Subject: Rocky Mountain Spotted Fever Exposures at Long Point, ON

Dear Colleagues,

Please see linked below a memo from Ontario’s Office of the Chief Medical Officer of Health regarding Rocky Mountain Spotted Fever (RMSF) exposures at Long Point, Ontario.

This memo highlights the emergence of RMSF in Ontario, with two confirmed human cases and multiple canine cases associated...

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Product ordering information for Ontario’s RSV prevention programs

To: Ottawa Physicians, Nurse Practitioners, and Midwives
Date: September 18, 2025
From:  Dr. Laura Bourns, Deputy Medical Officer of Health
Subject: Product ordering information for Ontario’s RSV prevention programs

Dear Colleagues,

In follow-up to the Public Health Alert shared September 15, 2025 ‘Respiratory Syncytial Virus (RSV) prevention programs for the 2025-2026 RSV season’, this communication is to provide RSV product ordering information.

RSV Prevention Program Ordering Information

RSV products...

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Increased Incidence of Anaplasmosis in Ontario, 2025

To: Ottawa Physicians and Nurse Practitioners
Date: September 16, 2025
From: Dr. Emil Prikryl, Associate Medical Officer of Health
Subject: Increased Incidence of Anaplasmosis in Ontario, 2025

Dear Colleagues,

A recent report of a death in an Ottawa resident caused by anaplasmosis serves as a reminder that we remain very much in the season for tick-borne diseases such as anaplasmosis, Lyme disease, babesiosis, and Powassan virus, as well as mosquito-borne diseases such as West Nile virus. There have been 34...

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