The fastest way to get back to a safe, mask-free life is for everyone to get a Covid-19 vaccine. But just because you've gotten a shot of protection doesn't mean you should rip off your mask immediately. That could actually set you back and put your friends and family at risk. Here's why you should keep masking up in many cases -- and when it's safe to go mask-free: You're not fully vaccinated until two weeks after your last dose of vaccine, according the US Centers for Disease Control and Prevention. That means at least two weeks have passed since...