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Table 5 Evaluation of foci response for the 3 types of foci in China

From: Mapping transmission foci to eliminate malaria in the People’s Republic of China, 2010–2015: a retrospective analysis

Response Foci classification
Activea Residual non-activeb Cleared-up
Total cases 28 101 21
Population at riskc 6452 46,809 10,006
No. of foci responding within 7 days (%) 28 (100) 81 (80.2) 1 (4.8)
No. of foci that carried out RACD (%) 26 (92.9) 84 (83.2) 16 (76.2)
Screened population 1447 2985 712
No. of malaria-positive patients 2 4 0
No. of foci that carried out entomological investigations (%) 21 (75) 79 (78.2) 19 (90.5)
No. of foci that carried out IRS 26 (92.9) 84 (83.2) 18 (85.7)
  1. aAll the indigenous cases reported were considered active foci. In 2015, 28 indigenous cases were reported, and foci response was carried out for all of them
  2. bA total of 101 cases reported from 2013 to 2014 were categorized as residual non-active foci
  3. cThe population at risk represents the recorded data for each type of foci