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It's very simple.
Let's say you are in a car with 4 people.
2 of them are infected.
The virus spreads from droplets from talking, coughing, sneezing etc.
If the 2 infected people were a mask the other 2 people are obviously much much less likely to get infected. It greatly reduces the chance. If the other 2 people also wear a mask it reduces the chance even more. So of course masks help. I don't get how anyway could say mask do not work, it's common sense.
There might be some disadvantages in wearing a mask for very long periods of time, but the advantages are far far bigger.
You don't wear a mask just for yourself, you mainly wear it to not infect others. It's a collective thing, that greatly helps slowing down the spread of the virus. The more people were masks, the faster things go back to normal.
Cases are spiking a lot in the US and some cities are even starting to close down again because people are too stubborn to wear a mask. I'd rather wear a mask and go back to normal...
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