Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Fields DB. Arkansas 99, a new infectious bronchitis serotype. Avian Dis. 17: 659-661, 1973. PubMed: 4748352
Johnson RB, et al. A new serotype of infectious bronchitis virus responsible for respiratory disease in Arkansas broiler flocks. Avian Dis. 17: 518-523, 1973. PubMed: 4748341
