How Do Face Masks Work?

Initially, at the start of the pandemic, there were mixed messages on whether or not the public should wear face masks. This left many wondering if face masks work and why they should bother wearing one. The good news is, they do help protect us! While the guidelines for COVID-19 may be rapidly developing, and confusing us all, we can look to other well-established healthcare guidelines to understand how face masks protect us from becoming infected and infecting others. So, what exactly do these masks do?

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