Breadth of protection of the respiratory tract provided by different live-attenuated infectious bronchitis vaccines against challenge with infectious bronchitis viruses of heterologous serotypes

Author: Cook Jane K. A.   Orbell Sarah J.   Woods Martyn A.   Huggins Michael B.  

Publisher: Taylor & Francis Ltd

ISSN: 1465-3338

Source: Avian Pathology, Vol.28, Iss.5, 1999-10, pp. : 477-485

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Abstract