title: Medical virology: the present situation.
mesh_terms: D000208:Acute Disease; D002908:Chronic Disease; D004267:DNA Viruses / Q000145:classification; D006801:Humans; D014777:Virus Diseases; D018406:Virus Physiological Phenomena; D014779:Virus Replication; D014780:Viruses / Q000145:classification / Q000378:metabolism