Components of Innate immunity that are active against viral cells includes -
A class of lymphocytes called natural killer cells or NK cells are impoant in nonspecific defense against viral infections and tumors. They selectively kill virus-infected cells and tumors cells. - they are activated by interferons. Reference : Anathanarayan & paniker's 9th edition, pg no:81 <\p>
NK cells
Cytotoxic cells
B-cell
Memory B cell
Immunology