期刊
VECTOR-BORNE AND ZOONOTIC DISEASES
卷 17, 期 9, 页码 662-664出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/vbz.2016.2096
关键词
blackbird; Culex; Eastern Germany; lineages; Usutu virus; West Nile virus
Usutu virus (USUV) is a mosquito-borne flavivirus accounting for large-scale deaths in resident bird populations. In this study, we show the introduction of USUV to Eastern Germany resulting in massive death of birds, particularly blackbirds (Turdus merula). We found that three diverse USUV lineages (Europe 3,'' Africa 2,'' and Africa 3-like'') circulated simultaneously. Moreover, we detected USUV in Culex pipiens in a region where no dead birds were reported, strengthening the need for mosquito monitoring to uncover the spread of arboviruses. Furthermore, phylogenetic analyses revealed that mutations accumulated, in particular, in the NS3 region within short time periods. In addition, comparison of whole-genome sequences showed that diverse isolates of the cluster Africa 3-like'' are cocirculating in Germany due to independent introduction events.
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