Severe Dengue Epidemic, Sri Lanka, 2017.
Dengue
Sri Lanka
age group
dengue virus
epidemic
mosquitoes
serotype
surveillance
vector-borne infections
viruses
Journal
Emerging infectious diseases
ISSN: 1080-6059
Titre abrégé: Emerg Infect Dis
Pays: United States
ID NLM: 9508155
Informations de publication
Date de publication:
04 2020
04 2020
Historique:
entrez:
19
3
2020
pubmed:
19
3
2020
medline:
22
6
2021
Statut:
ppublish
Résumé
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 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 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.
Identifiants
pubmed: 32186490
doi: 10.3201/eid2604.190435
pmc: PMC7101108
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
682-691Références
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