Sinhala (Sri Lanka)Tamil-Sri Lanka
Disease Surveillance Trends

Select Disease Select Year
Distribution of Notification(H399) Dengue Cases by Month
January 11608
February 5368
March 1683
April 511
May 1548
June 2252
July 2279
August 1497
September 1141
October 506
November 0
December 0
TOTAL 28393


RDHS January February March April May June July August September October November December Total Cases
Colombo 1693 767 235 30 189 294 324 231 192 110 0 0 4065
Gampaha 1049 452 128 36 95 188 175 205 147 8 0 0 2483
Kalutara 536 273 112 46 111 250 177 88 73 18 0 0 1684
Kandy 674 290 114 36 230 449 595 406 275 122 0 0 3191
Matale 276 110 44 9 23 25 36 19 15 10 0 0 567
Nuwara Eliya 77 28 16 1 2 11 14 9 8 1 0 0 167
Galle 651 249 63 41 233 149 98 58 61 14 0 0 1617
Hambantota 156 78 24 6 11 15 24 17 12 8 0 0 351
Matara 227 120 21 6 21 27 39 17 15 19 0 0 512
Jaffna 1061 490 154 38 112 58 51 26 55 36 0 0 2081
Kilinochchi 64 31 8 1 1 11 6 3 1 2 0 0 128
Mannar 90 25 2 1 1 3 8 3 1 0 0 0 134
Vavuniya 139 72 15 5 4 4 7 2 1 0 0 0 249
Mulativu 58 15 2 1 1 2 2 3 1 0 0 0 85
Batticaloa 1088 650 222 86 84 69 78 40 48 66 0 0 2431
Ampara 152 88 39 3 6 10 5 4 3 0 0 0 310
Trincomalee 1455 569 143 40 33 13 17 5 3 2 0 0 2280
Kurunegala 421 174 55 7 18 62 57 68 29 15 0 0 906
Puttalam 224 83 36 5 24 21 24 35 10 4 0 0 466
Anuradhapura 184 95 44 8 9 26 19 9 11 7 0 0 412
Polonnaruwa 81 77 23 2 7 20 10 4 5 9 0 0 238
Badulla 230 91 33 9 15 30 17 8 6 3 0 0 442
Moneragala 0 0 0 0 0 0 0 0 0 0 0 0 0
Ratnapura 296 206 69 47 223 398 381 152 74 11 0 0 1857
Kegalle 196 107 42 17 84 100 102 64 55 17 0 0 784
Kalmunai 530 228 39 30 11 17 13 21 40 24 0 0 953
TOTAL 11608 5368 1683 511 1548 2252 2279 1497 1141 506 0 0 28393
Dengue Cases reported in District
RDHS January February March April May June July August September October November December Total Cases
MC Colombo 445 174 39 0 92 84 79 48 29 17 0 0 1007
Other areas of Colombo 1248 593 196 30 97 210 245 183 163 93 0 0 3058
Total no. of Cases 1693 767 235 30 189 294 324 231 192 110 0 0 4065

Date 2020-10-20

There is a back log of surveillance data (399) received from field level currently. Based on sentinel site surveillance, the Dengue peak was observed during the months of June & July 2017.
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