Table 2. Number of reported cases and incidences of nine VPDs in children under 5 years old by immunization stage in China, 1997–2021.
| VPDs | Pre-EPI* | EPI † | ||||
|
The number of
cases decrease |
Incidence (/100,000) |
The number of
cases decrease |
Incidence (/100,000) |
Decrease (%) |
||
| Abbreviation: EPI=expanded program on immunization; VPD=vaccine-preventable disease; JE=Japanese encephalitis; NA=not applicable. * Period from 1997 to 2007 for diphtheria, measles, pertussis, polio, and hepatitis A and from 2004 to 2012 for JE, meningitis, mumps, and rubella. † Period from 2008 to 2021 for diphtheria, measles, pertussis, polio, and hepatitis A and from 2013 to 2021 for JE, meningitis, mumps, and rubella. | ||||||
| Diphtheria | 29 | <0.01 | 0 | 0 | 100.00 | |
| Measles | 370,648 | 40.38 | 221,956 | 18.33 | 54.60 | |
| Pertussis | 41,669 | 4.54 | 90,016 | 7.43 | −63.77 | |
| Polio | 0 | 0 | 0 | 0 | NA | |
| JE | 16,123 | 1.92 | 881 | 0.13 | 93.37 | |
| Meningitis | 2,385 | 0.28 | 296 | 0.04 | 84.95 | |
| Hepatitis A | 97,983 | 10.67 | 29,603 | 2.44 | 77.10 | |
| Mumps | 486,718 | 57.91 | 320,223 | 46.23 | 20.17 | |
| Rubella | 79,538 | 9.46 | 6,590 | 0.95 | 89.95 | |