2022-07-05-世界卫生组织-Immunization_Japan_2022_country_profile_16页_352kb

报告摘要

Summary of WHO and UNICEF Immunization Coverage Estimates for Japan (2021 Revision)

Overview: This document presents WHO and UNICEF's estimated immunization coverage data for Japan, covering indicators such as BCG, DTP, Polio, and others from 2010 to 2021.
Key Components:
- Vaccines Covered: BCG, DTP1, DTP3, Pol3 (polio), IPV1 (inactivated polio), MCV1 and MCV2 (measles-containing), RCV1 (rubella-containing), HepBB and HepB3 (hepatitis B), Hib3 (Haemophilus influenzae type b), RotaC (rotavirus), and PcV3 (pneumococcal conjugate).
- Years Included: Ranges from 2010 to 2021, with data interpolated or extrapolated in some gaps.
- Confidence Levels: A Grade of Confidence (GoC) is assigned to each estimate, indicating data reliability (e.g., ••• for well-supported, • for low support).
Notable Trends:
- BCG coverage remained consistently high (90-100%) in most years, but lacks independent assessment.
- DTP1 and DTP3 coverages were generally >95%, but some years show estimates >100%, indicating potential data issues.
- Pol3 coverage was stable near 95-100%, with fluctuations and challenges in data accuracy.
- New vaccines like HepB3 (introduced in 2016) show gradual increases, while older doses like certain Hib3 estimates lack strong empirical support.
- Many years have low GoC levels, relying on reported data with potential biases.
Confidence Grades (GoC):
- •••: Well-supported by direct data and surveys.
- ••: Supported by at least one data source but with challenges.
- •: Minimal or no direct data, high uncertainty.
- All estimates should be used cautiously due to varying data quality and no formal uncertainty ranges.
Limitations: Data may be biased, interpolated, or exceed 100%, requiring independent verification as recommended by WHO and UNICEF.