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. 2014 Feb 13;8(2):e2706. doi: 10.1371/journal.pntd.0002706

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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ILHV: Ilheus virus; SLEV: Saint Louis encephalitis virus; WNV: West Nile virus; FLAV: undifferentiated flavivirus; All FLAV: all flavivirus infections combined; Trends of increasing seroprevalence with age were detected for ILHV and FLAV, but not SLEV and WNV (see text).