Public Health Alert

To: Ottawa Physicians and Nurse Practitioners

Date: April 10, 2025

From: Dr. Laura Bourns, Deputy Medical Officer of Health

Subject: Provincial Respiratory Syncytial Virus Prophylaxis Program Update

Dear Colleagues,

Please see this memo from Ontario’s Chief Medical Officer of Health on Ontario’s 2025 Respiratory Syncytial Virus (RSV) program.

Key Messages:

• The 2024-2025 infant and high-risk children RSV prevention program has ended.
• Doses of Beyfortus and Abrysvo should no longer be ordered or administered to infants, children, or pregnant individuals.
• Please keep all remaining non-expired Beyfortus and Abrysvo product inventory refrigerated in your office under appropriate cold chain for use next season.