The human immune repertoire retains the molecular memory of a very great diversity of target antigens (epitopes) and can recall this upon a second encounter with epitopes against which it has previously been primed. Although genetically diverse. proteins of coronaviruses exhibit sufficient conservation to lead to antigenic cross-reactions. In this review. https://www.nacrack.com/hot-mega-Kentwood-Antique-White-Queen-Storage-Bed-save-extra/