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Live attenuated virus vaccine for WEEV, EEEV and VEEV
subtypes IE & IIIA is available and far advanced over some other vaccines
since it is chaemeric. A chaemera is build with the genes of several
viruses. This one includes
cDNAs coding for infectious WEE and VEE IE, cDNAs coding for the structural
proteins of VEE IIIA, attenuating mutations of WEE and VEE IE, and
attenuated chimeric alphaviruses. Contact
Robin Béquet & Dan Swanson,Bozeman, MT
at
rbequet@montana.edu
&
dss@montana.edu This happy breakthrough means that a 5 or more antigen horse vaccine is just around the corner! However, the presently available vaccines are not very good, despite the huge USDA success with West Nile. Bioterrorism is not a nonsequitor. Someone want to protect troops against encephalitis viruses. |