gupta tapper
Video Ad Feedback
Dr. Gupta explains the differences between mask types
01:26 - Source: CNN
Coronavirus 16 videos
gupta tapper
Video Ad Feedback
Dr. Gupta explains the differences between mask types
01:26
Now playing
- Source: CNN
gupta screengrab vpx
Video Ad Feedback
Will approaching winter mean new Covid-19 surge?
04:20
Now playing
- Source: CNN
china corona nyc
Video Ad Feedback
Artist wears 27 hazmat suits to protest China's policies
03:08
Now playing
- Source: CNN
hong kong tourism
Video Ad Feedback
See how Hong Kong is trying to revitalize itself after Covid-19
02:23
Now playing
- Source: CNN
Late night Joe Biden
Video Ad Feedback
See late night reactions to President Biden claiming pandemic over
01:45
Now playing
- Source: CNN Business
Patient using video game treatment long haul covid gupta pkg vpx
Video Ad Feedback
Dr. Gupta: This treatment for 'brain fog' from long-Covid just might surprise you
04:05
Now playing
- Source: CNN
joe rogan aaron rogers covid vaccination orig mg_00000000.png
Video Ad Feedback
Aaron Rodgers tells Joe Rogan why he didn't get vaccinated for Covid
02:16
Now playing
- Source: CNN
BARTLETT, ILLINOIS - MAY 01: Seven-year-old Hamza Haqqani, a 2nd grade student at Al-Huda Academy, uses a computer to participate in an E-learning class with his teacher and classmates while at his home on May 01, 2020 in Bartlett, Illinois. Al-Huda Academy, an Islam based private school that teaches pre-school through the 6th grade students, has had to adopt an E-learning program to finish the school year after all schools in the state were forced to cancel classes in an attempt to curtail the spread of the COVID-19 pandemic. (Photo by Scott Olson/Getty Images)
Video Ad Feedback
How Covid upended children's lives
10:16
Now playing
- Source: CNN
hotez vpx
Video Ad Feedback
'Wasn't too surprising': Doctor reacts to Biden's positive Covid test
02:50
Now playing
- Source: CNN
video thumbnail wuhan market 1
Video Ad Feedback
New studies suggest Covid-19 likely originated from Wuhan wet market
01:39
Now playing
- Source: CNN
Dr. Anthony Fauci
Video Ad Feedback
Dr. Fauci gives update on Biden's Covid-19 infection
05:50
Now playing
- Source: CNN
doctor jonathan reiner
Video Ad Feedback
'This was entirely predictable': Doctor on Biden testing positive for Covid-19
01:22
Now playing
- Source: CNN
Jill Biden
Video Ad Feedback
Jill Biden speaks out after President Biden contracts Covid-19
00:45
Now playing
- Source: CNN
brian china economic crisis wang 0715
Video Ad Feedback
'I'm losing my mind': Chinese depositor loses life savings in bank
03:58
Now playing
- Source: CNN
LOS ANGELES, CALIFORNIA - APRIL 21: A man is asked to cough into his arm as part of testing for COVID-19, by a member of the Los Angeles Fire Department wearing personal protective equipment (PPE) in Skid Row, amidst the coronavirus pandemic on April 21, 2020 in Los Angeles, California. 43 people tested positive for COVID-19 at one nearby Skid Row homeless shelter. (Photo by Mario Tama/Getty Images)
Video Ad Feedback
Doctor: Covid-19 BA.5 variant is highly transmissible
02:31
Now playing
- Source: CNN
Fauci
Video Ad Feedback
Dr. Fauci explains why new BA.5 subvariant is concerning
04:58
Now playing
- Source: CNN
CNN  — 

Wearing face masks and coverings is recommended, or in some places mandatory, in public spaces to help stop the spread of Covid-19.

But what kind of DIY face covering offers the best protection?

Researchers at Florida Atlantic University have experimented with different materials and styles of non-medical masks and found that a well-fitted stitched mask made from two layers of quilting fabric was the most effective in stopping the