title: Arkansas 99, a new infectious bronchitis serotype.
mesh_terms: D000818:Animals; D001131:Arkansas; D001991:Bronchitis / Q000382:microbiology / Q000517:prevention & control / Q000662:veterinary*; D002645:Chickens; D003332:Coronaviridae / Q000276:immunology / Q000302:isolation & purification*; D009500:Neutralization Tests; D011201:Poultry Diseases / Q000382:microbiology* / Q000517:prevention & control; D012703:Serotyping; D014132:Trachea / Q000382:microbiology; D014611:Vaccination; D014777:Virus Diseases / Q000382:microbiology / Q000517:prevention & control / Q000662:veterinary