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LIVE COMBINED VACCINE COMPRISING AT LEAST ONE LIVE INFECTIOUS BRONCHITIS VIRUS AND AT LEAST ONE OTHER VIRUS INFECTIOUS TO POULTRY
LIVE COMBINED VACCINE COMPRISING AT LEAST ONE LIVE INFECTIOUS BRONCHITIS VIRUS AND AT LEAST ONE OTHER VIRUS INFECTIOUS TO POULTRY
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机译:包含至少一种活感染性支气管炎病毒和至少一种对家禽感染的活疫苗
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摘要
The present invention is concerned with live combined vaccines for immunizing poultry comprising at least two different viruses, wherein at least one of the viruses is an infectious bronchitis virus showing the property of spontaneously hemagglutinating chicken erythrocytes.
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