[mad_as_he$$]

True, the one the Mayo Clinic left off was eating out! One of the biggest outbreaks of Hep B was from a restaurant worker infecting food and passing it along. Ala typhoid Mary. BTW I am sure some of those things go on at school(s), approved or not.

[thackney]

One of the biggest outbreaks of Hep B was from a restaurant worker infecting food and passing it along

I thought that was Hepatitis A. Both A and B are separate vaccines and both required.