Annual COVID-19 and flu vaccines roll out ahead of respiratory illness season | City of Ottawa

Annual COVID-19 and Flu Vaccines Roll Out

Annual COVID-19 and influenza (flu) vaccines have begun to roll out across the community in preparation for respiratory illness season.

Vaccines are currently being offered to high-risk populations, with availability expanding to the general public on Monday, October 27.

Respiratory illness season typically spans from late fall through early spring, during which viruses like COVID-19, flu, and respiratory syncytial virus (RSV) circulate at the same time in the community.

With colder months driving people indoors and into closer contact, conditions make it easier for respiratory viruses to spread, leading to a rise in infections, hospitalizations and increased pressure on the healthcare system.

These vaccines play a critical role in reducing transmission and protecting people at higher risk of complications, severe illness and hospitalizations.

Author summary: Vaccines reduce respiratory illness transmission.

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City of Ottawa City of Ottawa — 2025-10-14