Rift Valley fever — DTM&H MCQ

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EasyTropical viral infectionsRift Valley feverDTM&H

A livestock worker in Kenya develops fever, hepatitis and visual symptoms after assisting with abortions among sheep during heavy rains. What is the most likely diagnosis?

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Correct answer: B — Rift Valley fever

Rift Valley fever is the single best answer because Rift Valley fever follows mosquito or animal exposure during livestock abortion storms and can cause hepatitis or retinitis. Q fever is plausible in a related presentation, but it is less appropriate because it does not fit the key discriminator in this vignette. The teaching point is that occupational exposure history is often the key discriminator.

Reference: WHO disease outbreak guidance; UKHSA travel-associated infection guidance; CDC Yellow Book 2026