No experimental evidence of co-feeding transmission of african swine fever virus between Ornithodoros soft ticks
2020
Pereira De Oliveira, Rémi | Hutet, Evelyne | Duhayon, Maxime | Paboeuf, Frédéric | Le Potier, Marie-Frédérique | Vial, Laurence
Ornithodoros soft ticks are the only known vector and reservoir of the African swine fever virus, a major lethal infectious disease of Suidae. The co-feeding event for virus transmission and maintenance among soft tick populations has been poorly documented. We infected Ornithodoros moubata, a known tick vector in Africa, with an African swine fever virus strain originated in Africa, to test its ability to infect O. moubata through co-feeding on domestic pigs. In our experimental conditions, tick-to-tick virus transmission through co-feeding failed, although pigs became infected through the infectious tick bite.
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