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 2281
August 1532
September 1159
October 977
November 319
December 0
TOTAL 29238


RDHS January February March April May June July August September October November December Total Cases
Colombo 1693 767 235 30 189 294 324 231 192 147 32 0 4134
Gampaha 1049 452 128 36 95 188 175 205 147 34 7 0 2516
Kalutara 536 273 112 46 111 250 177 99 73 32 2 0 1711
Kandy 674 290 114 36 230 449 595 406 275 202 60 0 3331
Matale 276 110 44 9 23 25 36 19 15 14 5 0 576
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 26 3 0 1632
Hambantota 156 78 24 6 11 15 24 17 12 10 4 0 357
Matara 227 120 21 6 21 27 39 17 15 27 12 0 532
Jaffna 1061 490 154 38 112 58 51 26 55 52 18 0 2115
Kilinochchi 64 31 8 1 1 11 6 3 1 3 3 0 132
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 48 235 118 0 2718
Ampara 152 88 39 3 6 10 5 4 3 3 4 0 317
Trincomalee 1455 569 143 40 33 13 17 5 3 4 2 0 2284
Kurunegala 421 174 55 7 18 62 57 68 29 32 2 0 925
Puttalam 224 83 36 5 24 21 24 35 10 13 1 0 476
Anuradhapura 184 95 44 8 9 26 19 9 11 10 2 0 417
Polonnaruwa 81 77 23 2 7 20 10 4 5 11 3 0 243
Badulla 230 91 33 9 15 30 19 10 9 7 3 0 456
Moneragala 0 0 0 0 0 0 0 0 0 0 0 0 0
Ratnapura 296 206 69 47 223 398 381 174 89 47 16 0 1946
Kegalle 196 107 42 17 84 100 102 64 55 37 16 0 820
Kalmunai 530 228 39 30 11 17 13 21 40 30 6 0 965
TOTAL 11608 5368 1683 511 1548 2252 2281 1532 1159 977 319 0 29238
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 30 13 0 1033
Other areas of Colombo 1248 593 196 30 97 210 245 183 163 117 19 0 3101
Total no. of Cases 1693 767 235 30 189 294 324 231 192 147 32 0 4134

Date 2020-11-23

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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