He presented to the Emergency Department (ED) of S. Jacopo Hospital in Pistoia, Italy, after about 3 weeks of fever and a history of about five kg weight loss; the results of a chest X-ray (CXR) were normal, and blood tests (BTs) evidenced mild leukopenia and increased C-reactive protein (CRP). The gene discussed is CRP; the disease is Decreased total leukocyte count.