Like a virus; inclined to spread through infection.

A circular single-stranded RNA, similar but not identical to a viroid, dependent on plant viruses for replication and encapsidation.

plural of virusoid

(informal) Resembling, characteristic of, or infected by a computer virus.

plural of anti-virus

plural of respiratory syncytial virus

(rare) plural of human immunodeficiency virus

plural of adeno-associated virus

plural of mosaic virus

plural of JC virus