Filariasis or more commonly known by the community as elephantiasis is an infectious disease caused by filarial worms namely Wuchereria bancrofti, Brugia malayi and Brugia timori. Riau Province is one of the provinces that has significant number of patients with filariasis. If seen from the spread of filariasis cases in every regency in Riau Province, one of the most spread is in Meranti Island…