GPT and lymphopenia: Among the laboratory abnormalities typical for COVID-19, 7/13 (53.8%) patients had lymphopenia < 1.5 G/L, thrombocytopenia < 140 G/L was found in 3/13 (23%), increased LDH levels in 6/13 (46.2%), increased levels of ALT and AST in 4/13 (30.8%), increased levels of CRP in 8/13 (61.5%), troponin I in 5/13 (38.5%) and D-dimers in 9/13 (69.2%) patients.