Chicken anaemia viruses of low pathogenicity

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

Reexamination Certificate

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C435S007100, C435S345000

Reexamination Certificate

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07090981

ABSTRACT:
The present invention provides a new antigenic type of chicken anaemia viruses (CAV). The CAV according to this invention is isolatable from turkeys in the field and its virulence for chickens is significantly reduced. This property makes these viruses particularly suited for preparing a live vaccine for protecting poultry against disease conditions resulting from CAV infection.

REFERENCES:
patent: 5728569 (1998-03-01), Schrier
patent: 5914113 (1999-06-01), Schrier
patent: 0 533 294 (1993-03-01), None
patent: 0 838 222 (1998-04-01), None
Yamaguchi et al: Journal of General Virology, 2000, 82, 1233-1238.
Immunology, Harper and Row, 1980, pp. 291-295.

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