![When do we have to wear a mask outside? The C.D.C. says less often, and here's how and why. - The New York Times When do we have to wear a mask outside? The C.D.C. says less often, and here's how and why. - The New York Times](https://static01.nyt.com/images/2021/04/27/us/27virus-briefing-cdc-list2/27virus-briefing-cdc-list2-videoSixteenByNine3000.jpg)
When do we have to wear a mask outside? The C.D.C. says less often, and here's how and why. - The New York Times
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Reuseable Face Masks, Washable Breathable Stretchy Face Mask Face Covering with Adjustable Earloops for Dust, Sports, Outdoors (8 Pack Black) : Amazon.co.uk: Health & Personal Care
![Scientists join calls for UK public to wear homemade face masks outdoors | Health policy | The Guardian Scientists join calls for UK public to wear homemade face masks outdoors | Health policy | The Guardian](https://i.guim.co.uk/img/media/c0c704430ee89c0e28770123134f8eaf451a5e4f/0_117_3500_2101/master/3500.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=a4d33176e4a480d1f81d2670eef46198)