Table 1. Number of reported cases and incidence of nine vaccine-preventable infectious diseases in the overall population by immunization stage in China, 1950–2021.
| VPDs | Monitoring start (years) | Pre-NIP (1950–1977) | Early NIP (1978–1987) | Late NIP (1988–2007) | EPI (2008–2021) | ||||||||||
| The number of cases |
Incidence
(/100,000) |
The number of cases |
Incidence
(/100,000) |
Decrease*
(%) |
The number of cases |
Incidence
(/100,000) |
Decrease
(%) |
The number of cases |
Incidence
(/100,000) |
Decrease*
(%) |
|||||
| Abbreviation: VPD=vaccine-preventable disease; NIP=national immunization program; EPI=expanded immunization program; NA=not applicable. * Decrease in incidence compared with the pre-NIP. † Decrease in incidence compared with the late NIP. | |||||||||||||||
| Diphtheria | 1950 | 1,518,016 | 7.41 | 74,990 | 0.73 | 90.15 | 1,891 | 0.01 | 99.87 | 2 | <0.01 | 100.00 | |||
| Polio | 1953 | 356,743 | 1.90 | 49,953 | 0.49 | 74.21 | 14,448 | 0.06 | 96.84 | 0 | 0 | 100.00 | |||
| Pertussis | 1950 | 30,083,436 | 146.86 | 4,323,810 | 42.21 | 71.26 | 190,689 | 0.77 | 99.48 | 104,385 | 0.54 | 99.63 | |||
| Measles | 1950 | 101,512,542 | 495.56 | 9,243,723 | 90.25 | 81.79 | 1,772,811 | 7.20 | 98.55 | 399,905 | 2.08 | 99.58 | |||
| JE | 1950 | 1,734,057 | 8.47 | 327,078 | 3.19 | 62.34 | 279,919 | 1.14 | 86.54 | 21,572 | 0.11 | 98.70 | |||
| Meningitis | 1950 | 8,394,730 | 40.98 | 1,449,086 | 14.15 | 65.47 | 114,327 | 0.46 | 98.88 | 3,331 | 0.02 | 99.95 | |||
| Hepatitis A | 1990 | NA | NA | NA | NA | NA | 4,547,133 | 20.30 | NA | 364,380 | 1.89 | 90.69† | |||
| Mumps | 2004 | NA | NA | NA | NA | NA | 1,042,052 | 19.87 | NA | 3,776,930 | 19.60 | 1.36† | |||
| Rubella | 2004 | NA | NA | NA | NA | NA | 161,226 | 3.07 | NA | 422,192 | 2.19 | 28.66† | |||