Table 1.
Reported symptoms among community service volunteers in the DR with and without evidence of recent CHIKV infection (N = 100),* July–August 2014
| Reported symptoms | CHIKV infection only (N = 41) | No CHIKV or DENV infection (N = 59) | P value |
|---|---|---|---|
| n (%) | n (%) | ||
| Fever | 39 (95) | 18 (31) | < 0.01 |
| Rash | 37 (90) | 2 (3) | < 0.01 |
| Joint pain | 37 (90) | 7 (12) | < 0.01 |
| Shoulder | 14 (38)† | 3 (43)† | 1.00 |
| Elbow | 12 (32)† | 4 (57)† | 0.24 |
| Wrist | 25 (68)† | 6 (86)† | 0.65 |
| Thumb | 22 (59)† | 3 (43)† | 0.44 |
| Fingers | 26 (70)† | 3 (43)† | 0.21 |
| Knee | 21 (57)† | 6 (86)† | 0.22 |
| Ankle | 28 (76)† | 5 (71)† | 1.00 |
| Heel | 12 (32)† | 1 (14)† | 0.65 |
| Foot | 12 (32)† | 1 (14)† | 0.65 |
| Toes | 17 (46)† | 2 (29)† | 0.68 |
| Headache | 29 (71) | 13 (22) | < 0.01 |
| Muscle pain | 28 (68) | 9 (15) | < 0.01 |
| Chills | 24 (59) | 7 (12) | < 0.01 |
| Nausea/vomiting | 14 (34) | 9 (15) | 0.03 |
| Abdominal pain | 11 (27) | 5 (8) | 0.01 |
| Diarrhea | 10 (24) | 10 (19) | 0.62 |
| Calf pain | 10 (24) | 4 (7) | 0.01 |
| Rhinorrhea | 8 (17) | 6 (10) | 0.19 |
| Sore throat | 8 (17) | 6 (10) | 0.19 |
| Eye pain | 7 (17) | 3 (5) | 0.09 |
| Cough | 6 (15) | 2 (3) | 0.06 |
| Red/swollen joints | 5 (13) | 2 (3) | 0.12 |
| Bleeding | 2 (5) | 1 (2) | 0.57 |
| Red Eyes | 0 (0) | 0 (0) | 1.00 |
CHIKV = chikungunya virus; DENV = dengue virus; DR = Dominican Republic.
*
Excludes two participants with evidence of recent DENV infection. Both of these participants also reported experiencing febrile illnesses while in the DR.
†
Denominator based on those reporting joint pain among returning travelers.