Which of the following types of pneumonia suggests that the patient acquired it because of the reactivation of a latent infection, often in the setting of immunosuppression?
a. Cytomegalovirus
b. Haemophilus influenzae
c. Histoplasmosis
d. Staphylococcus
ANS: A
Cytomegalovirus pneumonia is an example of a latent infection that can reactivate during chronic immunosuppression, especially in solid organ and bone marrow transplant recipients.
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