Beijing Zhifei Lvzhu Biopharmaceutical Co. Ltd. has picked up rights to a whooping cough vaccine candidate from Intravacc B.V. on undisclosed terms. Zhifei Lvzhu gained exclusive rights to develop and commercialize the vaccine in China, as well as nonexclusive rights in Africa, South America, and selected Asian countries. In turn, Intravacc is eligible to receive milestone and up-front payments plus royalties on net sales of the vaccine, should it reach market.