The occurrence of virus in leukocytes of vaccinated chickens following challenge with virulent Newcastle disease virus

Chickens that had been vaccinated with a lentogenic strain 2 to 9 weeks before challenge with a virulent virus remained clinically normal following challenge and circulated virus within leukocytes for as long as ten days. The virulent virus was detected by inoculating embryonating eggs with leukocyt...

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Veröffentlicht in:	Avian diseases 1976-04, Vol.20 (2), p.375-381
Hauptverfasser:	Turner, A. J., Spalatin, J., Hanson, R. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Antibodies Antibodies, Viral - analysis Blood Chickens Eggs Freezing Inoculation Leukocytes Leukocytes - microbiology Newcastle Disease - immunology Newcastle Disease - pathology Newcastle disease virus Newcastle disease virus - immunology Newcastle disease virus - isolation & purification Time Factors Vaccination Vaccination - veterinary Virulence Viruses
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