In the 2017 dengue epidemic in Sri Lanka, a rise in the number of dengue fever cases was reported on the island country of Sri Lanka. The peak of the outbreak was in the mid-year monsoon rain season, when there was record of over 40,000 cases in July. This figure was far beyond the historical highest number of cases per month in Sri Lanka. Year end total dengue cases rose to 186,101. The Government of Sri Lanka spend more than US$12 million on outbreak control and was supported by NGOs such as the Red Cross.