A biologic hazard such as aerosolised anthrax may initially present with flu-like symptoms. Which feature should raise immediate concern for inhalational anthrax?
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Correct answer: Chest pain with mediastinal widening and rapid decline
Inhalational anthrax classically progresses from flu-like symptoms to chest discomfort, mediastinal widening on chest X-ray, and rapid deterioration with high mortality, warranting urgent recognition and treatment.
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