April 7 is World Health Day and the theme this year is 'Vector-borne diseases - small bite big threat'. Most of us would have suffered at least one type of the many vector-borne diseases in our lifetime. Unfortunately even though scientists have developed nuclear bombs that can wipe off a whole city in no time they are still struggling to tackle the menace that small insects can cause. In this post we'll tell you six facts you should know about vector-borne diseases. 1. Malaria and dengue are not the only diseases caused by insects Most of us living in cities