There was lymphopenia in 11 (55%) patients with a median at 962·5 cells/cu.mm, elevated CRP in 15 (75%) with a median at 30·1 mg/ml, elevated D-dimer in 6 (30%) with a median at 1090 ng/ml, elevated IL-6 in 10 (50%) with a median at 16·5 ng/ml, elevated ferritin in 9 (45%) with a median at 357·8 ng/ml, and elevated LDH in 14 (70%) at 294·5 U/L. The gene discussed is IL6; the disease is lymphopenia.