Tested:14 mouth caps, which one is the best and which one is the worst?

You see so many different mouth caps in times of corona. But which one is the best and which one is the worst? A team of researchers at Duke University in North Carolina figured it out.

No fewer than 14 different mouth caps were used for the study. The best mouth cap was the surgical mouth cap. A neckband and the bandana emerged as the worst protection against viruses.

Read also: '6 common mistakes when wearing a face mask'

The result

This is the top 14 when it comes to mouth caps:

1. N95 mask
2. Surgical face mask
3. Mouth cap with polypropylene and cotton
4. Mouth cap with polypropylene
5. Cotton mouth cap with strings
6. Double-layer cotton face mask with strings
7. N95 mask with valve
8. Sewn face mask
9. Maxima face masks
10. Mouth cap with a single layer of cotton
11. Folded cotton face mask
12. Knitted face mask
13. Bandana
14. Neckband

Drops

Researcher Dr. Martin Fisher tells ABCnews that the main focus was on the technique:"A simple technique that looked at the droplets that were released and the effect of the mouth cap."