They survived them because they previously had them. Their body was ready to mount a quick defense. The same thing would have happened if they had had the vaccine. Yes, there are some diseases where the vaccine is well worth the risk. I'm for letting people make the decision themselves, but I'm not for looking at the past through rose-colored glasses.
I only know of one person who got natural immunity and got measles again. And survived them at an older age.
They survived them because they previously had them. Their body was ready to mount a quick defense. The same thing would have happened if they had had the vaccine. Yes, there are some diseases where the vaccine is well worth the risk. I'm for letting people make the decision themselves, but I'm not for looking at the past through rose-colored glasses.