This is why that someone also needs to wear a mask.
Don't worry, people aren't morons and have been using masks in Japan and other countries for decades just fine.
Yes, masks can hold contaminated droplets --that's their purpose. When people don't use masks on the other hand, those droplets that would have remained on the mask now end up everywhere else, and now you have a far more spread vectors with basically everything being potentially contaminated.
Using a mask ensures that a lesser percentage of your contaminated droplets end up in other places.
> If you are sick, masks are great. Even homemade ones. This is about healthy people wearing masks.
First, masks work better when both sides use them. In Japan, healthy people wear masks as well during flu seasons because it makes it offers better protection than wearing nothing.
Second, in the specific context of COVID-19, how do you know they're healthy? That's the key, because asymptomatic cases are estimated to be the main driver of this pandemic by far. And it's only worsened by the fact that only few tests are available.
Don't worry, people aren't morons and have been using masks in Japan and other countries for decades just fine.
Yes, masks can hold contaminated droplets --that's their purpose. When people don't use masks on the other hand, those droplets that would have remained on the mask now end up everywhere else, and now you have a far more spread vectors with basically everything being potentially contaminated.
Using a mask ensures that a lesser percentage of your contaminated droplets end up in other places.