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

Select Disease Select Year
Distribution of Notification(H399) Dengue Cases by Month
January 1908
February 1808
March 1881
April 1920
May 788
June 1447
July 2526
August 787
September 591
October 356
November 0
December 0
TOTAL 14012


RDHS January February March April May June July August September October November December Total Cases
Colombo 130 192 421 490 215 564 919 261 229 147 0 0 3568
Gampaha 94 128 205 202 71 225 405 80 85 52 0 0 1547
Kalutara 82 64 122 148 64 112 290 83 79 44 0 0 1088
Kandy 67 48 51 90 37 40 129 68 32 27 0 0 589
Matale 12 5 11 9 6 17 58 33 9 10 0 0 170
Nuwara Eliya 5 1 8 9 4 3 5 2 3 1 0 0 41
Galle 19 15 28 36 18 28 45 18 30 16 0 0 253
Hambantota 18 28 32 48 18 39 69 14 16 16 0 0 298
Matara 28 33 31 55 15 93 111 31 23 16 0 0 436
Jaffna 44 19 22 11 10 10 4 3 1 0 0 0 124
Kilinochchi 10 6 1 3 1 1 1 1 1 0 0 0 25
Mannar 4 4 6 5 0 1 3 1 0 0 0 0 24
Vavuniya 4 11 7 5 3 2 3 0 0 1 0 0 36
Mulativu 2 1 0 0 2 0 0 0 0 0 0 0 5
Batticaloa 1132 988 421 278 91 50 26 8 3 4 0 0 3001
Ampara 2 4 5 6 4 5 4 3 1 1 0 0 35
Trincomalee 13 33 26 18 3 2 1 2 3 0 0 0 101
Kurunegala 62 54 164 151 49 73 167 62 32 5 0 0 819
Puttalam 49 32 47 52 11 27 41 18 6 1 0 0 284
Anuradhapura 13 9 26 30 30 14 24 12 7 0 0 0 165
Polonnaruwa 2 6 10 10 11 8 6 7 3 0 0 0 63
Badulla 14 2 12 27 12 58 47 16 12 3 0 0 203
Moneragala 5 9 16 16 5 15 25 11 3 5 0 0 110
Ratnapura 38 44 90 60 34 21 67 25 8 0 0 0 387
Kegalle 23 31 55 92 38 25 70 25 4 4 0 0 367
Kalmunai 36 41 64 69 36 14 6 3 1 3 0 0 273
TOTAL 1908 1808 1881 1920 788 1447 2526 787 591 356 0 0 14012
Dengue Cases reported in District
RDHS January February March April May June July August September October November December Total Cases
MC Colombo 37 63 87 151 46 205 216 42 57 14 918
Other areas of Colombo 93 129 334 339 169 359 703 219 172 133 0 0 2650
Total no. of Cases 130 192 421 490 215 564 919 261 229 147 0 0 3568

Date 2021-10-15

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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