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Type: Journal article
Title: Survival of frog virus 3 in freshwater and sediment from an English lake
Author: Munro, J.
Bayley, A.
McPherson, N.
Feist, S.
Citation: Journal of Wildlife Diseases, 2016; 52(1):138-142
Publisher: Wildlife Disease Association
Issue Date: 2016
ISSN: 0090-3558
Statement of
James Munro, Amanda E. Bayley, Nicola J. McPherson, and Stephen W. Feist
Abstract: Ranaviruses can be transmitted by contaminated water and sediment but must retain infectivity for a sufficient period to reach and infect a susceptible host. To determine the risk a virus represents once it enters the environment, its persistence in that environment must be determined. We evaluated the survival of frog virus 3 (FV3) in water and sediment from an English lake at temperatures of 4, 15, 20, and 30 C over time. The virus survived in both water and sediment; however, survival times were significantly lower in sediment. The virus lost infectivity in both matrices with a rise in temperature. In water, time required for a 90% reduction in virus titer decreased from 34 d at 4 C to 5 d at 30 C. In sediment, required time for a 90% reduction decreased from 10 d at 4 C to 1 d at 30 C. These results can be used to estimate the persistence of FV3 in the environment and indicate that the virus could remain infectious in temperate locations for extended periods during winter.
Keywords: Environment; indirect transmission; persistence; ranavirus
Rights: Copyright status unknown
RMID: 0030039657
DOI: 10.7589/2015-02-033
Appears in Collections:Animal and Veterinary Sciences publications

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