Distribution of Notification (H399) Dengue Cases by Month

January 5580
February 3736
March 3832
April 2970
May 4259
June 5996
July 8508
August 4989
September 0
October 0
November 0
December 0
TOTAL 39870
RDHS January February March April May June July August September October November December Total Cases
Colombo 1225 792 815 579 866 1126 1857 1181 0 0 0 0 8441
Gampaha 724 466 511 429 569 867 1706 839 0 0 0 0 6111
Kalutara 372 202 250 219 384 749 852 393 0 0 0 0 3421
Kandy 288 229 231 192 296 289 515 325 0 0 0 0 2365
Matale 62 54 58 17 30 54 59 38 0 0 0 0 372
Nuwara Eliya 26 17 12 7 19 22 33 15 0 0 0 0 151
Galle 132 123 156 207 772 1155 1028 602 0 0 0 0 4175
Hambantota 140 91 80 81 109 124 272 196 0 0 0 0 1093
Matara 219 133 101 106 130 291 583 463 0 0 0 0 2026
Jaffna 900 454 268 161 123 59 90 62 0 0 0 0 2117
Kilinochchi 34 23 16 11 12 9 11 3 0 0 0 0 119
Mannar 27 16 14 9 6 3 1 2 0 0 0 0 78
Vavuniya 41 44 57 16 15 11 16 5 0 0 0 0 205
Mulativu 47 31 12 3 9 1 4 1 0 0 0 0 108
Batticaloa 191 195 218 128 101 74 84 45 0 0 0 0 1036
Ampara 25 18 37 12 11 24 26 18 0 0 0 0 171
Trincomalee 157 106 164 148 108 97 102 23 0 0 0 0 905
Kurunegala 215 147 148 119 121 134 255 149 0 0 0 0 1288
Puttalam 79 60 52 29 33 92 137 89 0 0 0 0 571
Anuradhapura 64 53 51 34 36 62 78 45 0 0 0 0 423
Polonnaruwa 39 19 25 21 23 40 49 29 0 0 0 0 245
Badulla 79 68 73 45 41 88 113 76 0 0 0 0 583
Moneragala 60 38 49 39 29 59 48 11 0 0 0 0 333
Ratnapura 177 165 210 176 235 347 345 222 0 0 0 0 1877
Kegalle 150 98 109 90 114 171 215 141 0 0 0 0 1088
Kalmunai 107 94 115 92 67 48 29 16 0 0 0 0 568
TOTAL 5580 3736 3832 2970 4259 5996 8508 4989 0 0 0 0 39870
Dengue Cases reported in District
RDHS January February March April May June July August September October November December Total Cases
MC Colombo 254 130 172 108 184 216 322 203         1589
Other areas of Colombo 971 662 643 471 682 910 1535 978 0 0 0 0 6852
Total no. of Cases 1225 792 815 579 866 1126 1857 1181 0 0 0 0 8441

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.

Source: Epidemiology Unit