It is advised to immediately and thoroughly clean the affected areas following a measles exposure.
Measles transmission:
- Measles is highly contagious and can spread through the air when an infected person breathes, coughs, or sneezes.
- The virus can remain in the air for up to two hours after the infected person has left the area.
- The virus can also survive on surfaces for up to two hours.
Clean all surfaces:
Using an approved low-level disinfectant that is effective against the measles virus, clean all surfaces, with special attention to high-touch areas:
- Desks
- Doorknobs
- Light switches
- Shared equipment
- Other measures:
- Promote air circulation
Ensure frequent cleaning of high-touch areas throughout the day.
Reference: Public Health Ontario, 2024. Measles: Information for Health Care Providers.