Introduction: Volume 20 No. 2

Cover for Volume.13, No.2

Introduction to Volume 5 Issue 2

Cover for Volume.13, No.3

Cover for Volume.13, No.4

Volume 20

The source of equine-virulent strains of Venezuelan equine encephalitis (WE) virus that sporadically cause epidemics and equine epizootics is unknown. This is the most important unanswered scientific and public health question relating to VEE virus. One possibility is that epizootic virions exist at low levels in populations of enzootic strains. These virions could then break out into a visible...