ABSTRACT
The H/N and F1 glycoproteins responsible for hemagglutinin/neuraminidase (H/N) activity and fusion (F1) activity were purified from several Newcastle disease virus strains and used to produce antisera. These antisera can be used to clearly distinguish the virus strains by a number of techniques including radioimmunoassay, and so provide a means of classifying new virus isolates. The variations detected between strains are not related to field virulence.
| J. Bacteriol. | J. Virol. | Eukaryot. Cell |
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| Microbiol. Mol. Biol. Rev. | Clin. Vaccine Immunol. | All ASM Journals |
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