vir

Usage

• virulent

  A virulent disease is very dangerous and spreads very quickly.

• retrovirus

  any of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA)

• viral

  relating to or caused by a virus

• virologist

  a specialist in virology

• virulence

  extreme harmfulness (as the capacity of a microorganism to cause disease)

• virus

  (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts