At a very simple level, it's nothing but physics. Here's why you should care.
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in reducing our exposure to one another's viral loads, but it is far less effective when it isn't combined with mask wearing. The ideal mask situation would be if you were able to place something over your mouth and nose that were so effective, it blocked 100% of the droplets, 100% of the virus particles, but still allowed gases like oxygen, carbon dioxide, and nitrogen to be freely exchanged with the outside environment.
. Although blocking more particles is better, the overwhelming conclusion is that all masks offer some level of protection in reducing viral load, and any protection is better than no protection at all.
distances, with a high potential for spreading the novel SARS-CoV-2 coronavirus. Wearing a mask significantly reduces the distance that droplets travel, offering some measure of protection to others as well as, to a lesser extent, the wearer.Another interesting observation was the impressive reduction in airflow velocity while talking with all the face coverings — a good thing considering that most people out in public should be talking far more than coughing.
that droplets travel, the total mass of potentially infectious droplets, and will preferentially eliminate the largest-sized droplets over the non-masked situation.In 2015, there was a study performed that compared cloth masks versus standard medical masks: to do so. If you've heard the assertion that"cloth masks can increase the risk of infection," this is the study it was based on, and it's relative to medical masks, not to no mask at all.
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