Poliomyelitis is still endemic in Pakistan. Province Balochistan has set up AFP surveillance system for immediate case investigation and specimen collection for detecting wild polio virus. The goal is polio eradication. The purpose of this evaluation is to identify the weaknesses and strengths of this system. Methods & Materials: CDC's updated guide lines for evaluation of public health surveillance system were followed and a descriptive study was carried out in March 2011 to evaluate the

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... 's functioning in 2010. Literature was studied, records were reviewed in provincial health department, stakeholders were identified and information was obtained through a designed questionnaire based on system attributes by conducting in depth interviews and focus group discussions with the stakeholders. Results: AFP Surveillance is active meaning the staff visits hospitals frequently and also goes door to door to find cases. It is simple with an easily understandable case definition. System demonstrated its flexibility by incorporating information on measles and neonatal tetanus in 2009. Representativeness is average as system has limited integration with private sectors. All 29 districts submitted reports daily to the national level in the year 2010. However there is a gap in information sharing from district to provincial (subnational) level. Ninety percent of the reports are correctly filled. Information is shared with national & international health authority through electronic system within 24 hours. System sensitivity is 100%, whereas PVP is 5.6%. Conclusion: We recommend integration of AFP with private sectors and report sharing at provincial level. Data analysis at provincial level is necessary for policy making due to the securitycompromised situation. http://dx.