Infection of the upper respiratory tract of the chick with a mild (vaccine) strain of Newcastle disease virus. II. Studies on the pathogenesis of the infection.
D000818:Animals; D002645:Chickens; D007830:Larynx; D009521:Newcastle Disease; D009522:Newcastle disease virus; D012141:Respiratory Tract Infections; D014132:Trachea; D014612:Vaccines
D014612:Vaccines
NEWCASTLE DISEASE/experimental; RESPIRATORY TRACT/infections