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Volume 26, Number 4—April 2020
Synopsis

Severe Dengue Epidemic, Sri Lanka, 2017

Hasitha A. TisseraComments to Author , Bernard D.W. Jayamanne, Rajendra Raut, Sakunthala M.D. Janaki, Yesim Tozan, Preshila C. Samaraweera, Prasad Liyanage, Azhar Ghouse, Chaturaka Rodrigo, Aravinda M. de Silva, and Sumadhya D. Fernando
Author affiliations: National Dengue Control Unit, Colombo, Sri Lanka (H.A. Tissera, B.D.W. Jayamanne, S.M.D. Janaki, P.C. Samaraweera); Central Epidemiology Unit, Colombo (H.A. Tissera, A. Ghouse); University of North Carolina, Chapel Hill, North Carolina, USA (R. Raut, A.M. de Silva); New York University, New York, New York, USA (Y. Tozan); Regional Directorate of Health Services, Kalutara, Sri Lanka (P. Liyanage); University of New South Wales Sydney, Sydney, New South Wales, Australia (C. Rodrigo); University of Colombo, Colombo (S.D. Fernando)

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Table 3

Type and proportion of breeding habitats positive for Aedes aegypti mosquitoes, Sri Lanka, 2017*

Province Discarded items, % Water storage containers and tanks, % Ponds and ornamental items, % Wells and tube wells, % Natural water collections, % Other miscellaneous items, %†
Western 50.9 10.0 3.7 1.6 2.2 31.5
Eastern 33.9 22.9 3.0 11.5 1.6 27.0
Sabaragamuwa 55.6 5.1 5.1 9.5 0.8 24.0
Northern 18.8 55.0 2.9 0.2 0.1 23.0
Central 21.9 42.9 1.8 0.0 0.2 33.2
Southern 41.6 23.7 4.8 0.0 4.1 25.9
North-Western 46.4 21.7 1.1 5.6 0.2 24.9
Uva 41.2 39.2 1.2 0.0 0.5 17.9
North-Central
 19.1
 30.1
 8.1
 0.0
 0.0
 42.8
National average 38.7 23.9 3.4 5.8 1.3 26.8

*Total number of premises inspected: 279,728; total Ae. aegypti–positive containers: 9,699. Source: (7).
†Including refrigerator trays, nonfunctional cisterns, pet feeding cups, gutters, concrete slabs, and any other water-collecting containers.

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