That’s a true statement as well, but not true for the reasons you might think it’s true.
A vaccine is basically a dumbed-down, punching bag version of a virus. It’s training wheels for your immune system. It’s more effective to get experience fighting the virus itself — a real boxer. Then again, you might get your teeth knocked loose. Or you might be knocked out. Or killed.
Before squaring off against Mike Tyson in the ring, it’s better to get some practice under your belt first — or else you might be going home in a casket