All of these studies continue to show that adherence is the key variable. Of course in an absolute sense wearing mask, hand-washing, social distancing, etc. fo

All of these studies continue to show that adherence is the key variable. Of course in an absolute sense wearing mask, hand-washing, social distancing, etc. for a short period of time will marginally (even if microscopically) decrease your chances of acquiring a virus. Just like brushing your teeth once absolutely reduces the amount of plaque on your teeth. But it's adherence, over a long period of time which tells the tale of whether you get sick or have a cavity.