[https://www.sanofi.com/en/media-room/press-releases/2017/2017-11-29-17-36-30 Bollack L. Sanofi updates information on dengue vaccine. Press Sanofi. https://www.sanofi.com/en/media-room/press-releases/2017/2017-11-29-17-36-30. Published November 29 , 2017. Accessed January 20, 2021. ]