Equine Amplification and Virulence of Subtype IE Venezuelan Equine Encephalitis Viruses Isolated during the 1993 and 1996 Mexican Epizootics
Figure 3. Mean leukocyte counts in horses infected with virus strains CPA201 and OAX131. Bars indicate standard deviations. Data for horse no. 4, in whom severe neurologic disease developed after infection with strain CPA201, are shown individually. Bars indicate standard deviations; shaded box indicates approximate normal values.