Chikungunya fever is a vector-borne disease with high morbidity rates it caused socioeconomic impact. On 17 January2014, an outbreak of Chikungunya fever was reported in Batang Toru Sub-district, South Tapanuli District, North Sumatera. The total number of cases were 74 with no fatalities. An analytical study with case control design was undertaken to determine the risk factors of the outbre…