viral - definition of viral by Medical dictionary
viral [vi´ral] pertaining to or caused by a virus. vi·ral (vī'răl), Of, pertaining to, or caused by a virus. viral /vi·ral/ (vi´ral) pertaining to or caused by a virus. vi·ral (vī′rəl) adj. Of, relating to, or caused by a virus. vi·ral (vī'răl) Of, pertai...