Severe dengue — DTM&H MCQ
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Correct answer: A — Careful isotonic intravenous fluid resuscitation
Careful isotonic intravenous fluid resuscitation is the single best answer because warning signs with haemoconcentration and shock indicate plasma leakage requiring careful fluid management. High-dose corticosteroids 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 platelet count alone is not an indication for transfusion without bleeding or procedural need.
Reference: WHO disease outbreak guidance; UKHSA travel-associated infection guidance; CDC Yellow Book 2026