Abstract
To the Editor: African swine fever (ASF) is a serious disease that is currently affecting domestic pigs and wild boars in the Russian Federation. The disease is caused by African swine fever virus (ASFV; family Asfarviridae), and its continuing spread imposes a growing risk for introduction to disease-free areas with a high density of pigs and/or wild boars. We recently reported on the experimental characterization of ASFV Caucasus isolates in European wild boar piglets and juveniles (1), age classes that were deemed to be the most susceptible to ASFV. The extreme virulence of the virus strain led to an almost peracute disease and 100% mortality. On the basis of these data, a scenario of endemicity driven by chronically diseased animals or ASFV carriers seems unlikely. Nevertheless, ASF continues to occur in wild boars.
Highlights
The disease is caused by African swine fever virus (ASFV; family Asfarviridae), and its continuing spread imposes a growing risk for introduction to disease-free areas with a high density of pigs and/or wild boars
We recently reported on the experimental characterization of ASFV Caucasus isolates in European wild boar piglets and juveniles (1), age classes that were deemed to be the most susceptible to ASFV
The available data show no indication of chronic ASF disease or ASFV carrier states among adult wild boars, conditions that could potentially contribute to long-term persistence of disease in an affected region
Summary
WU and KI polyomavirus infections in pediatric hematology/oncology patients with acute respiratory tract illness. 7. Mueller A, Simon A, Gillen J, Schildgen V, Tillmann RL, Reiter K, et al Polyomaviruses KI and WU in children with respiratory tract infection. Address for correspondence: Valeria Falcone, Department of Virology, Freiburg University
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