If an EHV-1 nasal swab tests positive and a blood sample tests negative, how should this be interpreted?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Prepare for the TEDA Emerging and Exotic Diseases of Animals Exam with our detailed quiz. Study through expertly crafted questions with hints and explanations to boost your exam readiness. Equip yourself with essential knowledge and succeed!

Multiple Choice

If an EHV-1 nasal swab tests positive and a blood sample tests negative, how should this be interpreted?

Explanation:
The main idea is that a positive nasal swab means the horse is shedding the virus through respiratory secretions, making it contagious to others. A negative blood sample indicates there is no detectable virus in the bloodstream at that moment, so there isn’t viremia. Latent infection wouldn’t typically show up as nasal shedding, and recovery with the horse still mingling would not involve active shedding. Viremia would be indicated by virus in the blood, which isn’t present here. So, the interpretation is that the horse is actively shedding the virus, posing a transmission risk, but is not viremic at the time of testing.

The main idea is that a positive nasal swab means the horse is shedding the virus through respiratory secretions, making it contagious to others. A negative blood sample indicates there is no detectable virus in the bloodstream at that moment, so there isn’t viremia. Latent infection wouldn’t typically show up as nasal shedding, and recovery with the horse still mingling would not involve active shedding. Viremia would be indicated by virus in the blood, which isn’t present here. So, the interpretation is that the horse is actively shedding the virus, posing a transmission risk, but is not viremic at the time of testing.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy