Table 2.
Most probable risk factors identified among the cases
| Case no. | Age | Sex | Area in Puducherry | Type of area | Occupation | Date of onset of fever | Time between onset of symptom and reporting to health facility (days) | Travel to endemic area within 10 days prior to onset of fever (local areas and outside Puducherry) | Presence of dengue cases in family/locality | Self-reported probable exposure to mosquito bites at | Environmental sanitation | Preventive practices followed to prevent dengue (multiple responses) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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|
|
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| Work place | School/college/play ground | Within house | Outside house | |||||||||||
| Case 1 | 39 | F | Kirumambakkam | Rural | Homemaker | 28/9/18 | 3 | - | yes | - | - | fair | poor | Used fan to prevent mosquito bites |
| Case 2* | 46 | M | Seliamedu | Rural | Milk vendor | 18/9/18 | 1 | Stayed in Chennai | - | yes | - | fair | poor | Used fan and screening of doors/windows |
| Case 3# | 18 | M | Pillayarkuppam | Rural | Unemployed | 28/9/18 | 2 | - | yes | - | yes | poor | poor | Used fan |
| Case 4# | 50 | F | Pillayarkuppam | Rural | Homemaker | 17/9/18 | 3 | - | yes | - | - | poor | poor | Used fan |
| Case 5# | 17 | F | Pillayarkuppam | Rural | Student | 30/9/18 | 1 | - | yes | - | - | fair | poor | Repellents |
| Case 6 | 48 | M | Vadamangalam | Rural | Electrician | 30/9/18 | 1 | - | yes | yes | - | fair | fair | Repellents, neem smoke, avoided water collections |
| Case 7# | 45 | M | Thirukkanur | Rural | Shop owner | 27/9/18 | 3 | - | - | yes | - | fair | poor | Repellents, screening of doors/windows, avoided water collections |
| Case 8# | 40 | F | Pillayarkuppam | Rural | Homemaker | 16/9/18 | 2 | - | yes | - | - | poor | poor | Repellents |
| Case 9 | 14 | F | Kottaimedu | Urban | Student | 1/10/18 | 2 | - | - | - | yes | fair | fair | Repellents, avoided water collections |
| Case 10 | 21 | F | Arumanthapuram | Urban | Homemaker | 10/9/18 | 3 | Pillayarkuppam | yes | - | - | poor | poor | Repellents |
| Case 11* | 80 | M | Morrison thottam | Urban | Retired | 31/8/18 | 1 | Spent time in church | - | - | - | fair | fair | Repellents |
| Case 12 | 80 | F | Mudaliyarpet | Urban | Shop owner | 09/9/18 | 2 | Spent time in temple and shop | - | yes | - | fair | fair | Repellents, screening of doors/windows |
| Case 13 | 73 | M | Karamanikuppam | Urban | Retired | 01/9/18 | 3 | - | - | - | - | fair | poor | Used fan |
| Case 14 | 37 | M | Murungapakkam | Urban | Teacher | 23/9/18 | 2 | Stayed in Chennai | - | - | - | fair | poor | Repellents |
| Case 15 | 18 | M | Chinnayanpet | Urban | Student | 25/9/18 | 1 | Playground (Lawspet) | - | - | yes | fair | poor | Used fan |
| Case 16 | 40 | F | Kosapalayam | Urban | Nurse | 01/9/18 | 1 | - | - | yes | - | fair | poor | Repellents |
| Case 17 | 68 | M | Bahour | Rural | Garlic vendor | 20/9/18 | 3 | Cuddalore and Villupuram districts | - | yes | - | fair | poor | Repellents |
| Case 18 | 20 | F | Adhingapattu | Rural | Optometrist | 30/8/18 | 2 | Works in Chennai | yes | yes | yes | fair | fair | Repellents, bed net |
| Case 19 | 20 | F | Lawspet | Urban | Student | 04/11/18 | 1 | - | - | - | yes | poor | poor | Repellents |
| Case 20 | 15 | M | Lawspet | Urban | Student | 06/11/18 | 1 | - | yes | - | yes | poor | poor | Repellents |
| Case 21 | 26 | F | Lawspet | Urban | Unemployed | 11/11/18 | 1 | - | yes | - | - | fair | poor | Used bed net |
| Case 22 | 13 | M | Lawspet | Urban | Student | 11/11/18 | 1 | - | yes | - | yes | fair | poor | Repellents |
| Case 23 | 17 | M | Lawspet | Urban | Student | 22/11/18 | 1 | - | yes | - | yes | fair | poor | Repellents |
*Cases 2 and 11 developed DHF#Cases 3, 4, 5, 7, and 8 were diagnosed of DENV-CHIKV dual infection