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

Select Disease Select Year
Distribution of Notification(H399) Dengue Cases by Month
January 1905
February 1807
March 1818
April 1847
May 745
June 1328
July 2158
August 619
September 179
October 0
November 0
December 0
TOTAL 12406


RDHS January February March April May June July August September October November December Total Cases
Colombo 127 192 372 443 196 534 791 239 82 0 0 0 2976
Gampaha 94 127 194 180 55 185 284 39 22 0 0 0 1180
Kalutara 82 64 122 148 63 110 242 30 10 0 0 0 871
Kandy 67 48 51 90 37 40 129 67 16 0 0 0 545
Matale 12 5 11 9 6 17 58 33 2 0 0 0 153
Nuwara Eliya 5 1 8 9 4 3 5 2 1 0 0 0 38
Galle 19 15 28 36 16 28 28 12 10 0 0 0 192
Hambantota 18 28 32 48 18 39 69 14 8 0 0 0 274
Matara 28 33 31 55 15 93 111 28 5 0 0 0 399
Jaffna 44 19 22 11 10 10 4 3 0 0 0 0 123
Kilinochchi 10 6 1 3 1 1 0 1 1 0 0 0 24
Mannar 4 4 6 5 0 1 3 0 0 0 0 0 23
Vavuniya 4 11 7 5 3 2 3 0 0 0 0 0 35
Mulativu 2 1 0 0 2 0 0 0 0 0 0 0 5
Batticaloa 1132 988 421 278 91 50 26 7 2 0 0 0 2995
Ampara 2 4 5 6 4 5 4 3 0 0 0 0 33
Trincomalee 13 33 26 18 3 2 1 2 3 0 0 0 101
Kurunegala 62 54 164 151 49 73 157 47 3 0 0 0 760
Puttalam 49 32 47 52 11 27 39 18 5 0 0 0 280
Anuradhapura 13 9 26 30 30 14 24 11 3 0 0 0 160
Polonnaruwa 2 6 10 10 11 8 6 7 0 0 0 0 60
Badulla 14 2 9 23 7 11 18 6 3 0 0 0 93
Moneragala 5 9 16 16 5 15 25 9 2 0 0 0 102
Ratnapura 38 44 90 60 34 21 60 22 1 0 0 0 370
Kegalle 23 31 55 92 38 25 65 16 0 0 0 0 345
Kalmunai 36 41 64 69 36 14 6 3 0 0 0 0 269
TOTAL 1905 1807 1818 1847 745 1328 2158 619 179 0 0 0 12406
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 64 7 876
Other areas of Colombo 90 129 285 292 150 329 575 175 75 0 0 0 2100
Total no. of Cases 127 192 372 443 196 534 791 239 82 0 0 0 2976

Date 2021-09-17

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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