Sars-CoV-2 coronavirus disease, which has been described as a global pandemic, has appeared in 2019. Physical fitness exercises act as a modulator of the immune system. Lymphocyte counts are increasing as a result of physical fitness as well as cell recruitment. The PMC Open Access Subset makes this paper available for unrestricted study replication and secondary analysis in any way or by any means without acknowledging the original source. These licenses are valid for the duration of the World Health Organisation’s (WHO) declaration of COVID.