Innocent I Itangishaka I University Teaching Hospital of Butare l itangishaka58@gmail.com I
Herve  I Sheja Maniragaba I University Teaching Hospital of Butare I irebesheja@gmail.com I
Theogene I Ndahayo  I University Teaching Hospital of Butare  I ndatheos2015@gmail.com I
Jean Claude I NIYOYITA l African Field Epidemiology Network I jniyoyita@afenet.net l 
Emmanuel I Nshimiyimana I African Field Epidemiology Network I enshimiyimana@afenet.net l