Been getting them since age 19, I'm 80+ right now. While in the army I was on travel orders, got the shot before I left mybase, got another on arrival at new post, and another when I returned. No ill effects, and I had no choice in the matter. I got the shingles shot at walgreens, pneumonia shots in several places over the years. Befor going over seas, we stood in line and recieved multi shots, couldn't object again. Theres the story about missionarys who went to this pagan island, and the mortality rate was 100% of them. Finally a new arrival asked the local medicine man why his folks prospered. The medicine replied, " we have a bird here called the FOO, its dropping have the cure. The teaching is if the foo sh-ts wear it