Reuters
http://www.reuters.com/
Accessed 13 July 2013

Sanofi starts dengue vaccine production to keep lead over rivals
By Catherine Lagrange
NEUVILLE-SUR-SAONE, France, July 12 | Fri Jul 12, 2013 7:26am EDT
Sanofi SA has started producing its experimental dengue vaccine, the most advanced against the tropical disease, in a move to keep its lead over competitors ahead of the product’s likely launch in 2015…

http://www.reuters.com/article/2013/07/12/sanofi-dengue-vaccine-idUSL6N0FI1O320130712