Veterinary Technician

Category - Pharmacology

Which of the following is a reason that vaccination against Venezuelan equine encephalitis in horses is controversial?
  1. Data have demonstrated that vaccination with EEE/WEE provides no protection against VEE
  2. Vaccination against a foreign animal disease may confound testing in the event of an outbreak
  3. Vaccination of horses with killed VEE vaccine should never be performed in high-risk areas
  4. Epidemics of VEE due to vaccination develops greater virulence in avian and mammalian hosts
Explanation
Answer: B - Vaccination against a foreign animal disease may confound testing in the event of an outbreak; hence, vaccination against Venezuelan equine encephalitis in horses is controversial.
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