Immediately after entry into host cells. viruses are sensed by the innate immune system. leading to the activation of innate antiviral effector mechanisms including the type I interferon (IFN) response and natural killer (NK) cells. This innate immune response helps to shape an effective adaptive T cell immune response mediated by cytotoxic T cells and CD4+ T helper cells and is also ... https://storeanimalwiz.shop/product-category/other-filter-parts/