What to know as respiratory illness season begins in Ontario – CTV

September 22, 2025

With kids back in school and the weather getting cooler, it’s that time of year when many illnesses, particularly respiratory illnesses, start to make a comeback.

While we no longer need to behave as if we’re in a pandemic, experts say, lots of viruses and germs are still circulating out there.

“Now is the time to think about how we can protect ourselves from these respiratory illnesses and sort of come up with plans for ourselves and our family,” says Dr. Pierre-Philippe Piche-Renaud, a staff physician at the Hospital for Sick Children’s Division of Infectious Diseases.

According to Toronto Public Health (TPH), the main viruses expected to circulate this fall include COVID-19, influenza (flu), Respiratory Syncytial Virus (RSV), and measles.

Here’s what to know about each of them, as well as tips for avoiding them and staying healthy.

Read more: https://www.ctvnews.ca/toronto/article/what-to-know-as-respiratory-illness-season-begins-in-ontario/