Table 1: Case fatality ratio before and after the intervention by the operational plan, 1998–2017.

PhaseCasesDeathsCFR (%)

Pre-preparation phase
 1998–200214,2131951.38

Intervention phase
 2003–20078530380.44
 2008–20124014070.17
 2013–201714,121280.19

Sub-total (intervention phase)262631730.65
Total (2000–2017)40,4762680.66

CFR = case fatality ratio.