Wang Ling, The Dynamic Changes of White Blood Cell Count and Lymphocyte Count and Compare their Levels in the Early Stage of Covid-19, International Journal of Coronaviruses, Volume 3, Issue 1, 2021, Pages 8-13, ISSN 2692-1537, https://doi.org/10.14302/issn.2692-1537.ijcv-21-3862. (http://mail.oap-journals.orgijcv/article/1649) Keywords: COVID-19; white blood cell; lymphocyte