So only people with other health issues can still be at risk. But the vaccine works to mitigate that risk. But only if everyone else also gets the vaccine to mitigate the risk. But even then, it's still not safe to be around them.
Do you realize how insane your logic is?
Jesus christ she asked if he would wear a mask, that is it. You are asking as if she was making some crazy demands. Remind me to never ask you for a small favor, with your reaction to this I am sure you would just spit on me or something.