N95s are good for protecting the wearer, not so good for protecting others from the wearer. In areas with high infection rates (a lot of the US), the likelihoo

N95s are good for protecting the wearer, not so good for protecting others from the wearer. In areas with high infection rates (a lot of the US), the likelihood that someone wearing a mask is infected goes up, thereby making N95s more problematic. Many stores around where I live are requiring N95 wearers to cover up the valves while inside. N95s are better than no mask at all of course, but that's a low bar for comparison.