Why can't you do both? Mask wearing is simple, cheap, and available to all. That's like asking if it's better to focus on masks or vaccines. The answer is both.

Why can't you do both? Mask wearing is simple, cheap, and available to all. That's like asking if it's better to focus on masks or vaccines. The answer is both. As long as it's even marginally effective (and evidence suggests it's more than marginally effective) then it is a good idea.