Comparison of the maximum number of U.S. cases of vaccine-preventable diseases in the past with the number of cases in 2003.
| Disease | Maximum Number of Cases |
Year | 2003 Number |
Percent Decrease |
| Diphtheria | 175,885 | 1920 | 1 | 99.9% |
| Pertussis | 147,271 | 1925 | 11,647 | 92.1% |
| Tetanus (Lockjaw) |
1,314 | 1926 | 20 | 98.5% |
| Polio | 16,316 | 1951 | 0 | 100% |
| Measles | 503,282 | 1958 | 56 | 99.9% |
| Mumps | 152,209 | 1968 | 7 | 99.9% |
| Rubella | 47,745 | 1968 | 7 | 99.9% |
| Hemophilus influenza type B |
20,000 | 1985 | 259 | 98.7% |
| Hepatitis B | 26,612 | 1985 | 7,526 | 71.7% |
Needle Tips, 10/04
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