Legionnaire's disease is characterized by which combination of features?

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Multiple Choice

Legionnaire's disease is characterized by which combination of features?

Legionnaires’ disease classically presents as an atypical pneumonia accompanied by fever and respiratory symptoms, often with muscle pains (myalgias); GI symptoms can occur but are not required. The incubation period is typically about 2–14 days after exposure. The option that specifies pneumonia with fever, cough, and muscle pain within a 2–14 day incubation best matches this pattern. Other choices either omit the pneumonia, propose an incubation period that's too short, or include features not typically associated with Legionella (like a mild rash).

Legionnaires’ disease classically presents as an atypical pneumonia accompanied by fever and respiratory symptoms, often with muscle pains (myalgias); GI symptoms can occur but are not required. The incubation period is typically about 2–14 days after exposure. The option that specifies pneumonia with fever, cough, and muscle pain within a 2–14 day incubation best matches this pattern. Other choices either omit the pneumonia, propose an incubation period that's too short, or include features not typically associated with Legionella (like a mild rash).

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