Disseminated infection rate, transmission rate and transmission efficiency to CHIKV strains of Ae. albopictus from France (AL-CSM) and Ae. aegypti from India (AA-INDIA) at different days post-infection.

DIR: Disseminated infection rate corresponding to the proportion of mosquitoes with infected head among tested ones; TR: Transmission rate corresponding to the proportion of mosquitoes with infectious saliva among mosquitoes able to disseminate the virus beyond the midgut barrier; TE: Transmission efficiency corresponding to the proportion of mosquitoes with infectious saliva among tested ones; In parenthesis for DIR, number of mosquitoes analyzed; In parenthesis for TR, number of mosquitoes able to disseminate the virus beyond the midgut; In parenthesis for TE, number of mosquitoes analyzed; † Strain isolated from a French autochthonous case; ‡ Strain isolated from a French imported case.