Table 1.

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

Phase	Cases	Deaths	CFR (%)
Pre-preparation phase
1998–2002	14,213	195	1.38
Intervention phase
2003–2007	8530	38	0.44
2008–2012	4014	07	0.17
2013–2017	14,121	28	0.19
Sub-total (intervention phase)	26263	173	0.65
Total (2000–2017)	40,476	268	0.66

CFR = case fatality ratio.