A recent case of measles has been confirmed in Thornhill, linked to an existing outbreak, making it the fifth confirmed case since the outbreak was declared on September 4, 2025.
According to York Region Public Health, individuals who visited specific locations at certain times may have been exposed to the virus.
If you suspect you have been in contact with the virus, it is advised to take the following precautions:
Public health officials emphasize the highly contagious nature of measles, which can easily spread through airborne transmission. The virus can remain in the air or on surfaces for up to two hours. Infants under one year old, pregnant individuals, and those with weakened immune systems are particularly at risk of severe complications, such as encephalitis (brain inflammation) and even death.
Symptoms of measles typically appear 7 to 21 days after exposure and may include: