Four masks should be plenty if you're in your car alone driving down the road. If you're going to be in the grocery store where you might encounter other people, you really need at least five masks to be sure your safe. Six masks might even be appropriate then just to be sure you're sure.
Four masks should be plenty if you're in your car alone driving down the road. If you're going to be in the grocery store where you might encounter other people, you really need at least five masks to be sure your safe. Six masks might even be appropriate then just to be sure you're sure.
Might as well jump to lucky 7
NIAID Advisory System: Severe (red) 9 masks High (orange) 6 masks Elevated (yellow) 4 masks Guarded (blue) 3 masks Low (green) 2 masks