Volume 91, Issue 1
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



A novel mononegavirus was isolated in 1975 from ticks () collected during investigation of an outbreak of epizootic bovine abortion (EBA) in northern California. It was originally designated “bovine abortion-tick virus” (BA-T virus). The EBA is now known to be associated with a deltaproteobacterium infection, and not a virus. The BA-T virus had remained uncharacterized until now. We have determined by electron microscopy, serology, and genome sequencing that the BA-T virus is a fourth member of the newly proposed family , and we have renamed it Sierra Nevada virus (SNVV). Although antigenically distinct, phylogenetically SNVV is basal to Nyamanini virus (NYMV) and Midway virus (MIDWV), two other tick-borne agents. Although NYMV was found to infect land birds, and MIDWV seabirds, it is presently unknown whether SNVV naturally infects birds or mammals.


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Supplementary Data

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  • Received : 05 Feb 2014
  • Accepted : 28 Mar 2014

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