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Table 2 Programmatic implications of risk classifications of districts for July 2016 to June 2017

From: Spatial model for risk prediction and sub-national prioritization to aid poliovirus eradication in Pakistan

Tier

Number of districts

Target population (%)

Goal

Strategy

1

11

4,042,214 (11%)

Interrupt endemic and/or persistent local transmission using multiple strategies

NID + SNID + CBV in selected UCs + Priority 1 for combined bOPV/IPV SIA + RI service delivery support and other auxiliary support

2

33

5,746,129 (16%)

Interrupt transmission if transmission is ongoing, decrease vulnerability

NID + SNID + CBV in selected UCs + Priority 2 for bOPV/IPV SIA + RI service delivery support + other auxiliary support

3

24

7,246,474 (20%)

Decrease vulnerability

NID + SNID

4

87

19,638,741 (54%)

Maintain high population immunity

NID only

  1. Tier classifications dictate inclusion in National Immunization Days (NIDs), Sub-National Immunization Days (SNIDs) and employment of community-based vaccination (CBV) strategies in selected Union Councils (UCs). Reproduction of Panel 1 in the National Emergency Action Plan ([6], p. 19)
  2. IPV inactivated polio vaccine, OPV oral polio vaccine, SIA supplementary immunization activity, RI routine immunization