@article{PAR00002740, title = {{U}se of sentinel chickens to study the transmission dynamics of {W}est {N}ile virus in a sahelian ecosystem}, author = {{C}hevalier, {V}. and {L}ancelot, {R}. and {D}iaite, {A}. and {M}ondet, {B}ernard and de {L}amballerie, {X}avier}, editor = {}, language = {{ENG}}, abstract = {{D}uring the 2003 rainy season, a follow-up survey in sentinel chickens was undertaken to assess the seasonal transmission of {W}est {N}ile virus ({WNV}) in a salielian ecosystem: the {F}erlo ({S}enegal). {T}he estimated incidence rate in chickens was 14% (95%, {CI} 7-29), with it very low level of transmission between {J}uly and {S}eptember, and a transmission peak occurring between {S}eptember and {O}ctober. {C}omparing these results with the estimate obtained from a previous transversal serological study performed on horses the same year in the same area, the relevance of sentinel chickens in estimating the {WNV} transmission rate is highlighted. {C}onventionally adult mosquito populations disappear during the dry season but {WN} disease was shown to be endemic in the study area. {T}he mechanisms of virus maintenance are discussed.}, keywords = {}, booktitle = {}, journal = {{E}pidemiology and {I}nfection}, volume = {136}, numero = {4}, pages = {525--528}, ISSN = {0950-2688}, year = {2008}, DOI = {10.1017/s0950268807008801}, URL = {https://www.documentation.ird.fr/hor/{PAR}00002740}, }