From 162 patients data, China reported that  lymphocytes reduced along with disease progression to severe disease states in COVID-19 patients . It is a standing alone parameter for BAD outcomes of patients of COVID-19. 中国MEDRXIV发现COVID-19新冠肺炎病人淋巴细胞百分比随病情严重而巨降。

Comments by Dr. Jinhai Wang:      Reduction of T lymphocyes is a hallmark of HIV-1/AIDS. 艾滋病人T 淋巴细胞降低。In HIV-1 it is a direct targeting of T cells by HIV-1. It is yet to be determined whether COVID-19 directly target lymphocytes.