
Le virus Usutu (USUV) est un arbovirus émergent, proche du virus West Nile (WNV), isolé pour la première fois en Afrique du Sud en 1959. Ce flavivirus s’est propagé sur une grande partie du continent européen, provoquant des mortalités aviaires importantes, notamment en 2018. Même si l’infection humaine semble le plus souvent asymptomatique, plusieurs cas de complications neurologiques (encéphalites, méningoencéphalites) ont été décrits. La description à Montpellier d’un cas atypique de paralysie faciale a frigore suggère que le spectre clinique des infections liées à l’USUV pourrait être plus étendu qu’attendu et met en lumière nos faibles connaissances concernant la physiopathologie de ce virus émergent.
Usutu virus (USUV) is an emerging arbovirus, close to the West Nile virus (WNV), which was first isolated in South Africa in 1959. This flavivirus has spread to a large part of the European continent, causing bird deaths, particularly in 2018. Although human infection seems to be mostly asymptomatic, several cases of neurological complications (encephalitis, meningoencephalitis) have been described. The description in Montpellier of an atypical case of Bell's palsy suggests that the clinical spectrum of USUV-related infections may be more extensive than expected and highlights our limited knowledge of the pathophysiology of this emerging virus.
Arbovirus, [SDV] Life Sciences [q-bio], 570, flavivirus, [SDV]Life Sciences [q-bio], 616, Usutu virus
Arbovirus, [SDV] Life Sciences [q-bio], 570, flavivirus, [SDV]Life Sciences [q-bio], 616, Usutu virus
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