2/ 🧵 In 2014 alone, the Philippines ranked 4th among the Southeast Asians countries that had all the four serotypes present.

Although the disease is seasonal, it became a year-occurrence in the country and affected 117,065 children in 2014. In 2015, the Philippines recorded 40,000 deaths. With these numbers, the disease was already a serious national problem that needed to be addressed.

The thousands of children affected signified the magnitude of the problem, calling for a government action. Because of this, health practitioners were eager to have a vaccine to address the Dengue outbreak.