[Impact of Controlled Temperature Chain (CTC) approach on immunization coverage achieved during the preventive vaccination campaign against meningitis A using MenAfriVac in Togo in 2014].

Method: We conducted a survey from 9 to 14 March 2015 (for approximately 3 months) after the end of the vaccination campaign in these four regions. Interviewees were selected using two stages cluster sampling stratified according to the regions. MenAfriVac vaccine in Controlled Temperature Chain (CTC) was used in 10 districts, in Togo.