death protein-1 (PD-1) [2]. In this opinion reduced immune cell function was defined and anergic cells were visualized, their potential role played in COVID-19 was mapped.
Mechanism of B cell AnergyYarkoni and associates [15] and Waterman and Cambier [12] have been thoroughly reviewing the multiple possible mechanisms for induction of B cell anergy. Going through these reviews, a hypothesis was arise from a collective viewing to the presented facts that may unify the mentioned mechanisms and was phrased as in the following; 1. B cell face chronic antigen stimulation