Overnight, masks have become a symbol of social responsibility. If you still need convincing, here’s why you now should be wearing a mask in public spaces to prevent the spread of the coronavirus.

While we know that even a simple mask does a pretty good job of protecting the world from your outgoing germs, experts say there is more variation in how much homemade masks might protect you from incoming germs, depending on the fit and quality of the material used. And if you use a fabric with decent filtration potential — like two layers of heavy cotton or flannel — and you wear the mask properly, you increase your chances of avoiding the virus.

In the article below, you will find tips to help you stay safe during the pandemic.

NY TIMES: A User’s Guide To Face Masks