Molecular Biology.
And what I said was from personal experience. I had measles in 1st grade (63-6). Hd rubella (then called the German measles) the next year. As I said, the teacher, would go down the aisle every morning and pull your clothes back to look down your back for the measles. If she saw it, off to the nurse and home for a week.
And contrary to what cpu gen ?ers believe , us guys swam in the nude from 6th-12th grade,