Kagoné S Thérese :Centre MURAZ, Burkina Faso   Email:therese.kagone@gmail.com 
Djibril Barry:Burkina Field Epidemiology and Laboratory Program(BFELTP)     Email: djibril.barry@bfeltp.com 
Bicaba W Brice: Centre des Opérations de Réponses aux Urgences Sanitaires (CORUS), Burkina Faso  Email: bicaba_brico@yahoo.fr 
Sawadogo Berenard : African Field Epidemiology Network (AFENET);    Email: bernardsawadogo@gmail.com 
Yanogo Pauline:Burkina Field Epidemiology and Laboratory Program(BFELTP)    Email: yanogo.pauline@yahoo.fr 
Meda Nicolas :Burkina Field Epidemiology and Laboratory Program(BFELTP)    Email:nicolas.meda@gmail.com
