2023-07-16-世界卫生组织-Immunization_Kenya_2023_country_profile_20页_412kb

报告摘要

Methodology: Coverage estimates provided by WHO and UNICEF for Kenya are based on national reports, surveys, and interpolated data, with varying confidence levels. Data quality is a concern due to potential biases, stockouts, and population adjustments.
Key Challenges: Frequent vaccine stockouts (often exceeding one month at national/subnational levels) compromise data reliability. Declining denominator data over years and programmatic assessments downgrade confidence in estimates. Estimates are not adjusted for data quality issues.
Recent Trends: Most vaccines show high coverage, often above 90% for foundational vaccines like BCG, DTP, and MCV1 in recent years. However, polio-related (e.g., Pol3) and newer/less prioritized vaccines (e.g., RCV1, HepBB) have variable and sometimes lower coverage. COVID-19-related disruptions in 2020-2021 impacted reporting and denominators.
Vaccine-Specific Overview:
- BCG: ~97%, challenged by stockouts.
- DTP1/DTP3: High ~95-99%, stockouts frequent.
- Pol3: ~87-91%, lower than others, stockouts noted.
- IPV1: ~87-91%, similar to DTP; vaccine stockouts hinder reporting.
- MCV1: ~89%, generally stable but affected by factors.
- Others (HepB, Hib, RotaC, YFV): Data often interpolated or sparse; YFV shows inconsistent coverage; HepB and RCV1 typically low confidence due to limited direct data.