PURPOSE: An infectious bronchitis(IB) virus K40/09 strain and a vaccine using the same are provided to effectively prevent novel mutant type IB and to prevent IB in a domestic chicken.CONSTITUTION: An infectious bronchitis(IB) virus K40-09 strain (deposit number KCTC 11937BP) is isolated from domestic poultry. A vaccine for preventing poultry from diseases caused by IB viral infection contains the IB virus and a pharmaceutically acceptable carrier or diluent. The virus is an attenuated or inactivated virus. The vaccine additionally contains an adjuvant and one or more vaccine ingredients for infectious other pathogen. A method for controlling the diseases caused by IB viral infection comprises a step of administering the virus to birds. A method for manufacturing the IB virus comprises: a step of inoculating to IB virus to a substrate which is susceptible to infection a step of proliferating the IB virus and a step of collecting materials containing the IB virus. The substrate is an embryonic egg.COPYRIGHT KIPO 2013[Reference numerals] (AA) Aggressive vaccination group (BB) Negative control group (CC) Spawning rate(5%) (DD) K40/09 week aggressive vaccination (EE) Days after aggressive vaccination본 발명은 전염성기관지염 바이러스 K40/09주 및 이를 이용한 전염성 기관지염 백신에 관한 것으로, 더욱 상세하게는 국내 야외농장에서 분리한 전염성기관지염 바이러스 K40/09주 및 이를 이용한 전염성 기관지염 백신에 관한 것이다.