I think it's one of those vaccines that's unnecessary

Yup. You "think". Ya got any facts or data to back up that thought?

Greg, why is that anytime you interject yourself into a conversation it's to be a jerk

If raising legitimate points about an unscientific opinion is being a jerk, I'm happy to accept the title.

Actually, I'm very fond of people. Its bullshit I have a low tolerence for.