Persistence of low pathogenic avian influenza virus in waterfowl in a southern African ecosystem
Caron, Alexandre, Abolnik, Celia, Mundava, Josephine, Gaidet, Nicolas, Burger, Christina E., Mochotlhoane, Bontsi, Bruinzeel, Leo, Chiweshe, Ngoni, de Garine-Wichatitsky, Michel, and Cumming, Graeme S. (2011) Persistence of low pathogenic avian influenza virus in waterfowl in a southern African ecosystem. EcoHealth, 8 (1). pp. 109-115.
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Abstract
Waterfowl were counted and sampled in a Zimbabwean wetland over 24 months. LPAI strains were detected during 20 consecutive months, providing evidence of regional yearly persistence of LPAI. We discuss the role of Afro-tropical ducks in viral maintenance and transmission, and attempt to explain the observed patterns.