AIDS presenting as unresolved pneumonia in a 9 year old boy.

This 9 year old boy presented with high-grade intermittent fever associated with chills and rigors for 2 weeks prior to admission. He also had mild non-productive cough. His mother noticed that he had loss of appetite and weight for the past 2 months. There was no past history of hospitalisation, nor had he received any blood transfusion. His father was treated for purulent urethral discharge (sexually transmitted disease) 17 years ago, prior to his marriage. He was not a drug abuser. The mother received blood transfusion 1 year ago, after a spontaneous abortion.