title: Virus-neutralizing antibody in sera and secretions of the upper and lower respiratory tract of chickens inoculated with live and inactivated Newcastle disease virus.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000096:biosynthesis*; D002645:Chickens; D009093:Mucus / Q000276:immunology; D009297:Nasal Mucosa / Q000378:metabolism; D009500:Neutralization Tests; D009522:Newcastle disease virus / Q000276:immunology*; D012137:Respiratory System / Q000276:immunology*; D013183:Sputum / Q000276:immunology; D014132:Trachea / Q000378:metabolism; D014613:Vaccines, Attenuated / Q000276:immunology*; D014765:Viral Vaccines / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D014613:Vaccines, Attenuated; D014765:Viral Vaccines