Fig 1.
Atypical lymphocytes in patients with COVID‐19. (A–C) Wright‐Giemsa stained peripheral blood smear showing representative forms of atypical lymphocytes observed in 15 cases of smear review (×100). (D) Percentages of indicated lymphocytes out of total lymphocytes in the patients with COVID‐19. Differential count of the indicated lymphocytes was performed; 200 lymphocytes were counted in each patient. (E) Wright‐Giemsa stained bronchial alveolar lavage smear from a patient with COVID‐19 (×60). (F) Wright‐Giemsa stain of the peripheral blood smear from a patient with infectious mononucleosis caused by Epstein–Barr virus infection (×100).