@article{fdi:010089507, title = {{M}igratory patterns of two major influenza virus host species on tropical islands}, author = {{L}ebarbenchon, {C}. and {B}oucher, {S}. and {F}eare, {C}. and {D}ietrich, {M}uriel and {L}arose, {C}. and {H}umeau, {L}. and {L}e {C}orre, {M}. and {J}aeger, {A}.}, editor = {}, language = {{ENG}}, abstract = {{A}nimal migration is a major driver of infectious agent dispersal. {D}uck and seabird migrations, for instance, play a key role in the spatial transmission dynamics and gene flow of avian influenza viruses ({AIV}), worldwide. {O}n tropical islands, brown and lesser noddies ({A}nous stolidus and {A}nous tenuirostris) may be important {AIV} hosts, but the lack of knowledge on their migratory behaviour limits our understanding of virus circulation in island networks. {H}ere we show that high connectivity between islands generated by non-breeding dispersive behaviours may be a major driver in the spread and the maintenance of {AIV} among tropical islands of the western {I}ndian {O}cean. {T}racking data highlight two types of dispersive behaviours during the non-breeding season: birds either staying in the vicinity of their breeding ground (on {B}ird {I}sland, {S}eychelles), or moving to and roosting on other islands in the western {I}ndian {O}cean. {M}igrant birds used a wide range of roosting places from the {T}anzanian coasts to the {M}aldives archipelago and {T}romelin {I}sland. {E}pidemiological data confirm that brown and lesser noddies are major hosts for {AIV}, although significant variations of seroprevalence between species suggest that other biological and ecological drivers could be involved in virus infection and transmission dynamics.}, keywords = {brown noddy ; lesser noddy ; sooty tern ; tracking ; serology ; {S}eychelles ; {SEYCHELLES} ; {OCEAN} {INDIEN}}, booktitle = {}, journal = {{R}oyal {S}ociety {O}pen {S}cience}, volume = {10}, numero = {10}, pages = {230600 [10 p.]}, ISSN = {2054-5703}, year = {2023}, DOI = {10.1098/rsos.230600}, URL = {https://www.documentation.ird.fr/hor/fdi:010089507}, }