title: Letter: Naming viruses.
mesh_terms: D000208:Acute Disease; D000367:Age Factors; D005759:Gastroenteritis / Q000382:microbiology*; D006801:Humans; D007223:Infant; D007391:International Cooperation; D010372:Pediatrics; D009626:Terminology as Topic; D014780:Viruses / Q000145:classification*