To date, in 248 death certificates, chikungunya was reported as the direct or indirect cause of death, with a median age of 79, range 0-102, and a sex-ratio (M/F) of 0.95. InVS, in collaboration with Inserm (French NIH) also reported (by June 6, 2006) a significant excess of mortality (from all causes) during the major outbreak which occurred from December, 2005 (+10%) to April, 2006 (10.1%), with a peak of excess mortality reached in February (+34.4%), concommitant to the peak of incidence.