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Progress toward poliomyelitis eradication--Myanmar, 1996-1999
Abstract:
Myanmar borders polio-free countries (China, Laos, and Thailand) and countries with widespread poliovirus transmission (India and Bangladesh). Myanmar began to intensify its efforts toward polio eradication in 1996, when National Immunization Days (NIDs) were initiated. That year, wild polioviruses (one type 1 virus and two type 3 viruses) were isolated from Myanmar children with acute poliomyelitis seeking care in Yunnan Province, China. The importation of poliovirus from Myanmar into China stimulated the establishment of surveillance for acute flaccid paralysis (AFP) in 1996 and discussions between Myanmar and China on cross-border management of poliomyelitis eradication. This report summarizes polio eradication efforts in Myanmar, which focus primarily on supplemental vaccination activities and AFP surveillance.
Insights
Myanmar intensified polio eradication efforts in 1996 with National Immunization Days (NIDs). This initiative focused on vaccination and acute flaccid paralysis (AFP) surveillance to combat poliovirus transmission.
Area of Science:
- Public Health
- Infectious Disease Epidemiology
- Global Health Security
Background:
- Myanmar's proximity to polio-free and polio-endemic regions necessitates robust eradication strategies.
- The isolation of wild polioviruses from Myanmar children in China highlighted the urgent need for enhanced surveillance and control measures.
- Polio eradication efforts in Myanmar commenced in 1996 with the introduction of National Immunization Days (NIDs).
Purpose of the Study:
- To summarize the polio eradication initiatives undertaken in Myanmar.
- To highlight the primary strategies employed, including supplemental vaccination and acute flaccid paralysis (AFP) surveillance.
- To underscore the importance of cross-border collaboration in managing poliomyelitis.
Main Methods:
- Implementation of National Immunization Days (NIDs) for supplemental polio vaccination.
- Establishment and maintenance of acute flaccid paralysis (AFP) surveillance systems.
- Cross-border discussions and management strategies with neighboring countries, particularly China.
Main Results:
- Wild polioviruses (type 1 and type 3) were detected in children from Myanmar seeking care in China in 1996.
- The detection of imported poliovirus spurred the development of AFP surveillance in the region.
- Intensified efforts focused on vaccination and surveillance to interrupt poliovirus transmission.
Conclusions:
- Myanmar's polio eradication program relies on supplemental vaccination and robust AFP surveillance.
- Cross-border collaboration is crucial for effective polio eradication in the region.
- Continued vigilance and strategic interventions are essential to achieve a polio-free status.