The virus that causes VEE is
transmitted primarily by mosquitoes that bite an infected animal
and then bite and feed on another animal or human. The speed with which the disease spreads depends on the subtype of the VEE virus and the density of mosquito populations.
Where is Venezuelan equine encephalitis found?
Venezuelan equine encephalitis (VEE) is a mosquito-borne disease endemic in
regions of Central and South America
that causes sporadic outbreaks of equine and human encephalitis.
How is VEE transmitted?
While the primary mode of transmission for VEE involves
mosquitoes to humans and equines
, it is also known to be transmitted by accidental inhalation of the virus in the laboratory or by other biting flies (Acha and Szyfres, 1987).
How do horses get equine encephalitis?
It is
spread by the bite of a mosquito infected with EEE virus (EEEV)
. EEEV can also infect a wide range of animals including mammals, birds, reptiles, and amphibians. The spread of EEEV to mammals (including humans and horses) occurs through the bite of infected mosquitoes that feed on both birds and mammals.
What is vee horse?
Eastern equine encephalitis (EEE), western equine encephalitis (WEE) and
Venezuelan equine encephalitis
(VEE) are caused by Alphaviruses. Birds and rodents are the primary reservoirs, but unvaccinated horses are particularly susceptible and often serve as sentinels.
Does Vee have flu like symptoms?
What are the signs and symptoms of VEE? Most VEE infections are mild with only a small percentage of the infected population developing encephalitis. Persons with the mild form of illness may describe only minimal flu- like symptoms of
low-grade fever, muscular pain, or headache
.
Do mosquitoes carry yellow fever?
Yellow fever virus is
transmitted to people primarily through the bite of infected Aedes or Haemagogus species mosquitoes
. Mosquitoes acquire the virus by feeding on infected primates (human or non-human) and then can transmit the virus to other primates (human or non-human).
What are the symptoms of Eastern Equine encephalitis?
Signs and symptoms of neurologic disease include
fever, headache, vomiting, diarrhea, seizures, behavioral changes, drowsiness, and coma
. In infants, neurologic disease often occurs soon after onset; in older children and adults, encephalitis may occur after several days of systemic illness.
Is there a vaccine for Eastern Equine encephalitis?
Despite over 65 years of research
there is no licensed human vaccine or effective antiviral treatment available for human EEE
, and control depends on mosquito abatement measures and avoidance of exposure to mosquito bites.
What are symptoms of West Nile virus?
Symptoms of severe illness include
high fever, headache, neck stiffness, stupor, disorientation, coma, tremors, convulsions, muscle weakness, vision loss, numbness and paralysis
.
How is encephalitis treated in horses?
There is no specific treatment for
viral encephalitis. Supportive care includes intravenous fluids if the horse is unable to drink, use of appropriate anti-inflammatory agents, and anticonvulsants if necessary.
How common is EEE in horses?
Eastern equine encephalitis (EEE) is a viral, vector-borne disease that causes inflammation of the brain. Mosquitoes transmit the virus from infected birds to horses, humans, and other species. Although
rare
, the disease has a high mortality rate in horses and humans.
Is encephalitis contagious in horses?
A horse affected with EEE
is not contagious
and poses no risk to other horses, humans or birds. Carrier status: Infected horses cannot transmit the disease to other horses.
What vaccines do horses need?
Important Considerations and Conclusions. You should always consult with your veterinarian to develop a vaccine plan for your horse. Again, ALL horses should receive the core vaccines
(rabies, EEE/WEE, tetanus, and West Nile Virus)
.
How often should you deworm your horses?
Facts: 1. Each horse should be dewormed
every 6 months
with an Ivermectin product (Spring and Fall). Ivermectin is a larvicidal (will kill parasite larvae), and if used every 6 months on each horse, large strongyles will be eliminated from your farm.
What is EPM horse disease?
EPM is a
neurologic disease that horses get from eating infected opossum feces
. Incoordination, muscle atrophy and loss of feeling around the body are a few signs of illness. Keep your horses healthy by storing grain in sealed bins and controlling opossum populations around your barn.
