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Increasing immunization coverage, Solomon Islands, 2022
Reta Angessa1, Rockson Siliota2, Jenniffer Anga2
1World Health Organization, Office of the Representative to Solomon Islands, Ministry of Health Bldg, Chinatown Honiara, Solomon Islands.
Bulletin of the World Health Organization
|September 25, 2024
Summary
Routine immunization coverage in Solomon Islands was restored by strengthening supportive supervision and data use. The World Health Organization (WHO) Reaching Every District (RED) approach proved effective in improving vaccination rates, even during the pandemic.
Area of Science:
- Public Health
- Epidemiology
- Global Health
Background:
- Routine immunization coverage in Solomon Islands' Malaita and Western provinces declined significantly due to health service disruptions caused by the COVID-19 pandemic in early 2022.
- The Solomon Islands previously adopted the World Health Organization (WHO) Reaching Every District (RED) approach in 2002 to improve immunization services.
Purpose of the Study:
- To assess the impact of enhanced supportive supervision, monitoring, and data utilization on routine immunization coverage in low-coverage provinces of Solomon Islands.
- To evaluate the effectiveness of the WHO Reaching Every District (RED) approach in restoring and improving vaccination rates amidst pandemic-related challenges.
Main Methods:
- Implementation of strengthened supportive supervision, systematic monitoring, and data-driven decision-making between July and September 2022.
- Health workers were empowered to identify challenges and develop strategies for performance improvement, with monthly dissemination of coverage data and fieldwork findings.
Main Results:
- In Malaita Province, reported coverage for the third dose of pentavalent vaccine increased from 40% to 121%, and for the first dose of measles-rubella vaccine from 30% to 159%.
- In Western Province, reported coverage for the third dose of pentavalent vaccine rose from 38% to 191%, and for the first dose of measles-rubella vaccine from 44% to 149%.
- Nationwide, reported immunization coverage in other provinces increased from 64% to 88% for pentavalent vaccine and from 59% to 137% for measles-rubella vaccine.
Conclusions:
- Strengthened supportive supervision, systematic monitoring, and data utilization were instrumental in restoring routine immunization coverage in two low-coverage provinces.
- The study demonstrated the continued relevance and effectiveness of the WHO Reaching Every District (RED) approach in improving immunization coverage, even during public health emergencies like the COVID-19 pandemic.
- The findings supported the nationwide re-expansion of the WHO RED approach to sustain and improve immunization services across Solomon Islands.
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