Epizootic VEEV infections (continued)
•
Human pathogen (continued)
–
Neurologic manifestations in small percent of elderly
and children
•
Neck stiffness, convulsions, coma, paralysis.
•
Most VEE fatalities occur in children (up to 20%)
•
Transmissible by aerosol
–
Human‐human transmission in natural
outbreak is negligible
–
Virus is stable in aerosol form
C F t lit R t
ase a a y a es
Equine
Human
WEE
20‐40%
~10%
EEE
~ 90%
~33%
VEE
38‐90% <1 – 20%*
*
most VEE fatalities occur in children
