Microbiology-detection, occurrence, and removal of viruses.
D004196:Disease Outbreaks / Q000382:microbiology; D008722:Methods; D012722:Sewage; D014777:Virus Diseases / Q000382:microbiology; D014780:Viruses / Q000302:isolation & purification; D014871:Water Microbiology
D012722:Sewage