This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
All are seen in acute HIV syndrome Except 
Select and explain. 
A. Pneumonia, B. Lymphadenopathy, C. Myelopathy, D. Encephalitis
A: Pneumonia
Answer: A: Pneumonia 
Explanation: Clinical findings in HIV syndromeGeneralNeurologicDermatologic1. Fever2. Pharyngitis3. Lymphadenopathy4. Headache/Retroorbital pain5. Ahralgias/myalgias6. Lethargy/Malaise7. Anorexia/Weight loss8. Nausea/Vomiting/Diarrhea1. Meningitis2. Encephalitis3. Peripheral neuropathy4. Myelopathy1. Erythematous maculopapular rash2. Mucocutaneous ulcerationReference: Harrison&;s Principles of Internal Medicine; 19th edition; Chapter 226; Human Immunodeficiency virus disease: AIds and Related Disorders