ZYDUSLIFE Zydus Lifesciences Ltd Product Launches Announcement 2024 - WHO Prequalifies Vaccine Zydus Lifesciences has received WHO prequalification for its typhoid vaccine, ZyVac(r) TCV, allowing it to be purchased by UN agencies. This vaccine is aimed at immunizing individuals aged 6 months to 65 years against Salmonella typhi infection, with UN agencies procuring over 150 million doses annually..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Zydus Lifesciences Ltd