Which mask offers the best protection against COVID-19? | FOX 7 Austin FOX 7 Austin 1:31 2 years ago 424 Скачать Далее
Which Masks Are Best For Protecting Against COVID-19? CBS Pittsburgh 2:42 2 years ago 259 Скачать Далее
Explained: How to Choose a Mask to Protect Against COVID-19 NBC Bay Area 2:24 2 years ago 2 709 Скачать Далее
Which masks provide best protection against the spread of COVID-19? 13 ON YOUR SIDE 2:12 2 years ago 275 Скачать Далее
K95 and KN95 masks offer best protection against COVID-19: Study Good Morning America 2:56 2 years ago 2 368 Скачать Далее
What's the most effective mask for protecting wearers from Covid-19? CNBC Television 1:01 3 years ago 39 295 Скачать Далее
Yes, surgical masks offer better protection against COVID-19 than cloth masks WHAS11 1:52 2 years ago 383 Скачать Далее
Mask 101 | The best masks to protect against Covid-19 & how to wear them by Dr Ramanathan | Stuff NZ Dr Sandhya Ramanathan 5:07 2 years ago 1 901 Скачать Далее
Certain masks provide better protection against COVID-19, Delta variant, doctors say NEWS CENTER Maine 2:14 2 years ago 515 Скачать Далее
New evidence that ‘double-masking’ may be better at protecting against COVID-19 | WNT ABC News 3:20 3 years ago 42 253 Скачать Далее
Which COVID-19 masks protect those around you best? Researchers weigh in 6abc Philadelphia 2:29 4 years ago 1 597 Скачать Далее
Doctors weigh in: Which mask is best to help protect from COVID-19? The News & Observer 1:58 2 years ago 622 Скачать Далее
Should everyone be wearing a mask to protect against coronavirus? PBS NewsHour 7:01 4 years ago 76 406 Скачать Далее
Should I upgrade my mask to protect against COVID-19 variants? Good Morning America 2:25 3 years ago 14 835 Скачать Далее