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Middlesex-London Health Unit

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Masks and Face Coverings

Wearing a mask over your mouth and nose is one way to reduce your risk of getting COVID-19 or other viruses that are spreading in our community. Masking can also prevent you from passing a virus to others, even if you don't know that you're sick.


What is a mask or face covering?

A face covering can be a non-medical mask, medical mask, or a respirator. In general, while non-medical masks can help prevent the spread of COVID-19, medical masks and respirators provide better protection. No matter which type of mask you choose, proper fit is a key factor in its effectiveness. To learn more, visit

How do I make it fit?

It's important to properly wear, fit, remove, and clean or discard your non-medical mask or face covering.


Wear a mask when it feels right for you.

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Images showing steps to how to wear a mask

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Date of creation: July 17, 2020
Last modified on: May 1, 2023