The radiographic findings are nonspecific, and patients are often assumed to have bacterial pneumonia, malignancy, tuberculosis, or sarcoidosis before the correct diagnosis
[mayoclinic.pure.elsevier.com]
Cellular immunity was found to be profoundly impaired, with absent delayed cutaneous hypersensitivity to several common antigens, a decreased count of thymus-dependent lymphocytes
[ncbi.nlm.nih.gov]
Acute illness resembling bacterial pneumonia. -Symptoms include high fever, chills, cough, fatigue, shortness of breath, night sweats and sputum production.
[quizlet.com]