Respiratory viruses.
D000256:Adenoviridae; D002467:Cell Nucleus; D003593:Cytoplasm; D004267:DNA Viruses; D006564:Herpesviridae; D006801:Humans; D010849:Picornaviridae; D012328:RNA Viruses; D012137:Respiratory System / Q000382:microbiology*; D012141:Respiratory Tract Infections; D018108:Respirovirus; D014779:Virus Replication