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 789
June 1448
July 2533
August 794
September 607
October 586
November 0
December 0
TOTAL 14274


RDHS January February March April May June July August September October November December Total Cases
Colombo 130 192 421 490 215 564 919 261 234 241 0 0 3667
Gampaha 94 128 205 202 71 225 405 80 89 71 0 0 1570
Kalutara 82 64 122 148 64 112 290 83 79 67 0 0 1111
Kandy 67 48 51 90 37 40 129 68 32 35 0 0 597
Matale 12 5 11 9 6 17 58 33 9 14 0 0 174
Nuwara Eliya 5 1 8 9 4 3 5 2 3 1 0 0 41
Galle 19 15 28 36 18 28 45 18 32 21 0 0 260
Hambantota 18 28 32 48 18 39 69 14 16 20 0 0 302
Matara 28 33 31 55 15 93 111 31 23 30 0 0 450
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 1 0 0 25
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 7 0 0 3004
Ampara 2 4 5 6 4 5 4 3 1 2 0 0 36
Trincomalee 13 33 26 18 3 2 1 2 3 0 0 0 101
Kurunegala 62 54 164 151 49 73 167 67 36 23 0 0 846
Puttalam 49 32 47 52 11 27 41 18 6 4 0 0 287
Anuradhapura 13 9 26 30 30 15 26 12 7 1 0 0 169
Polonnaruwa 2 6 10 10 11 8 6 7 3 0 0 0 63
Badulla 14 2 12 27 12 58 47 16 12 7 0 0 207
Moneragala 5 9 16 16 5 15 25 11 3 16 0 0 121
Ratnapura 38 44 90 60 35 21 72 27 8 9 0 0 404
Kegalle 23 31 55 92 38 25 70 25 5 11 0 0 375
Kalmunai 36 41 64 69 36 14 6 3 1 4 0 0 274
TOTAL 1908 1808 1881 1920 789 1448 2533 794 607 586 0 0 14274
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 25 929
Other areas of Colombo 93 129 334 339 169 359 703 219 177 216 0 0 2738
Total no. of Cases 130 192 421 490 215 564 919 261 234 241 0 0 3667

Date 2021-10-22

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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