Cook J K, Orbell S J, Woods M A, Huggins M B
Intervet UK, The Elms, Houghton, Huntingdon, Cambridgeshire.
Vet Rec. 1996 Feb 24;138(8):178-80. doi: 10.1136/vr.138.8.178.
On the basis of virus isolation and the demonstration of specific neutralising antibody in sera, infectious bronchitis virus (IBV) 4/91 (commonly called 793B) has been shown to be present in broiler, breeder and layer flocks of chickens in many parts of western Europe and also in Thailand and Mexico. These flocks had all been vaccinated against infectious bronchitis and the need for improved methods to control this new virus, still prevalent at least four years after it was first isolated, is discussed.
基于病毒分离以及血清中特异性中和抗体的证实，传染性支气管炎病毒（IBV）4/91（通常称为793B）已被证明存在于西欧许多地区的肉鸡、种鸡和蛋鸡群中，在泰国和墨西哥也有发现。这些鸡群均已接种过传染性支气管炎疫苗，本文还讨论了在该病毒首次分离至少四年后仍普遍存在的情况下，改进控制这种新病毒方法的必要性。
