Journal
TRANSACTIONS OF THE ROYAL SOCIETY OF TROPICAL MEDICINE AND HYGIENE
Volume 117, Issue 1, Pages 61-63Publisher
OXFORD UNIV PRESS
DOI: 10.1093/trstmh/trac067
Keywords
neutralizing antibodies; flaviviruses; free-ranging birds; Paraguay
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Our study detected the presence of Saint Louis encephalitis virus, West Nile virus, and Ilheus virus in Paraguay, indicating enzootic activity of flaviviruses in the country.
Saint Louis encephalitis virus (SLEV), West Nile virus (WNV) and Ilheus virus (ILHV) are flaviviruses maintained by enzootic transmission networks between mosquitoes and birds. They have been detected in South America, with no records for Paraguay. We detected the presence of neutralizing antibodies for SLEV, WNV and ILHV in free-ranging birds collected in Paraguay (2016-2018). Four positive samples were detected in resident birds: one SLEV (rufous-bellied thrush), one WNV (barred antshrike) and two ILHV (white-tipped dove and shiny cowbird). These results bring new information about enzootic activity of flaviviruses in Paraguay.
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