Merck Ties Up With Zhifei To Distribute Gardasil In China, But What Happened To Sinopharm?

Merck has expanded its collaboration with Zhifei, its vaccine partner in China, by signing a three-year RMB 4.5 billion distribution deal for HPV vaccine Gardasil. But left unanswered is whether Merck will walk away from an intended partnership with Sinopharm it had previously emphasized.