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://safeersappliancers.shop/product-category/faber-cooker-hood-grexia-330-0543-464-220-240-v-gres-dk-bk-a60-p1705/