Severe Dengue Epidemic, Sri Lanka, 2017

Severe Dengue Epidemic, Sri Lanka, 2017

Blog Article

In 2017, a dengue epidemic of unexpected magnitude occurred in Sri Lanka.A total of 186,101 suspected cases and 440 dengue-related deaths occurred.We conducted a comprehensive analysis of this epidemic by comparing national surveillance data for 2017 with data from the Step Up Pulley Assembly preceding 5 years.In all Sri Lanka districts, dengue incidence in 2017 increased significantly over incidence during the previous 5 years.Older schoolchildren and young adults were more clinically symptomatic than those at extremes of age.

Limited virologic surveillance showed the dominant circulating variant was dengue virus type 2 cosmopolitan genotype in the most affected district.One quarter of total annual cases were reported 5 weeks after the southwest monsoon started.Changes in vector abundance were not predictive of the Console Sofa Table increased incidence.Direct government expenditures on dengue control activities in 2017 were US $12.7 million.

The lessons learned from this outbreak are useful for other tropical nations facing increasing dengue incidence.