In several recent papers, two published last year in the Journal of Virology by DiNapoli et al. (3) and Ge et al. (4), an earlier study by Martinez-Sobrido et al. in 2006 (6), and a review by Bukreyev et al. in 2006 (1), Newcastle disease virus (NDV) is proposed as a potential vector in the development of a novel bior multivalent vaccine. We question whether those studies satisfactorily address...

characterization of isolated pigeon paramyxovirus-1 (pmv-1) and its pathogenicity in broiler chickens were studied. two hundred and thirty-two samples collected from 50 unvaccinated pigeons lofts suspected to newcastle disease from private houses and bird markets from ahvaz , iran. swab samples from cloaca and oropharynx of live pigeons and from trachea, lung, liver, spleen, kidney, brain, prov...

Identification of Vaccine Strains of Newcastle Disease Virus: R. P. Hanson and C. A. Brandly ....... ............................ 156 Conditioned Aversion to Saccharin Resulting from Exposure to Gamma Radiation: J. Garcia, D. J. Kimeldorf, R. A. Koelling ... ...... 157 Intolerance of Dizygotic Human Twins to Reciprocal Skin Homografts: B. 0. Rogers and G. Allen . ..................................