IFNA1 and Thrombocytopenia: Li et al. reported in their review of severe thrombocytopenia induced by IFN-α in 17 patients [10] that the median onset time from the administration of IFN-α/PEG-IFN-α treatment was 3.6 months (range, 1–36 months), and the patients could recover by discontinuing the IFN-α/PEG-IFN-α and administering an immunosuppressant.