Indicates major change in vaccination policy.

1
Diphtheria, 1917-2002
2
Haemophilus influenzae type b disease, 1991-2002
3
Hepatitis A, 1952-2002
4
Measles, 1917-2002
5
Meningococcal disease (invasive), 1949-2002
6
Pertussis, 1917-2002
7
Poliomyelitis, 1917-2002
8
Rubella, 1942-2002
9
Tetanus, 1917-2002