Sri Lanka unleashed the pentavalent vaccine in January 2008 and then suspended the program four months later after five babies died. Under pressure from WHO, Sri Lanka reintroduced the vaccine in 2010. Between 2010 and 2012, there were fourteen additional deaths following the vaccine, making the total number of deaths in Sri Lanka nineteen.198 Vietnam introduced the pentavalent jab in June 2010 and suspended the jab in May 2013, after twenty-seven infant deaths.
