Table 4.
Self-reported symptoms in patients with suspected arbovirus infections presenting to N'Zérékoré and Faranah Regional Hospitals
| Symptom | Number reporting (%) | |||||
|---|---|---|---|---|---|---|
| All patients | Positive for any virus* | Flavivirus positive† | Alphavirus positive* | Bunyavirus positive* | ||
| YFV | WNV | CHIKV | TAHV | |||
| Fever‡ | 42/44 (96) | 26/28 (93) | 2/2 (100) | 11/11 (100) | 11/11 (100) | 4/5 (80) |
| Malaise | 42/44 (96) | 26/28 (93) | 0/1 (−) | 12/12 (100) | 10/11 (91) | 6/6 (100) |
| Headache | 38/45 (84) | 23/29 (79) | 0/1 (−) | 10/12 (83) | 11/11 (100) | 4/6 (67) |
| Light-headedness | 35/44 (80) | 20/28 (71) | 0/1 (−) | 9/12 (75) | 9/10 (90) | 4/6 (67) |
| Muscle aches | 34/44 (77) | 22/28 (79) | 1/1 (100) | 11/12 (92) | 7/11 (64) | 4/6 (67) |
| Nausea/vomiting | 34/45 (76) | 23/28 (82) | 1/2 (50) | 10/12 (83) | 9/10 (90) | 5/6 (83) |
| Abdominal pain | 30/42 (71) | 18/25 (72) | 2/2 (100) | 9/12 (75) | 5/7 (71) | 4/6 (67) |
| Joint pain | 30/44 (68) | 19/28 (68) | 0/1 (−) | 10/12 (83) | 6/11 (55) | 5/6 (83) |
| Back pain | 29/44 (66) | 19/28 (68) | 0/1 (−) | 9/12 (75) | 8/11 (73) | 3/6 (50) |
| Cough | 26/42 (62) | 17/26 (65) | 1/1 (100) | 8/11 (73) | 7/10 (70) | 2/6 (33) |
| Shortness of breath | 27/44 (61) | 17/27 (63) | 1/1 (100) | 9/12 (75) | 6/9 (67) | 4/6 (67) |
| Chest pain | 24/42 (57) | 17/26 (65) | 1/1 (100) | 9/12 (75) | 5/9 (56) | 3/6 (50) |
| Epigastric pain | 24/43 (56) | 15/26 (58) | 1/2 (50) | 8/12 (67) | 5/8 (63) | 2/6 (33) |
| Diarrhea | 23/44 (52) | 14/27 (52) | 2/2 (100) | 8/12 (67) | 3/9 (33) | 3/6 (50) |
| Yellow eyes/jaundice | 17/36 (47) | 12/23 (52) | 0/1 (−) | 4/10 (40) | 5/9 (56) | 3/5 (60) |
| Ringing in the ears | 14/40 (35) | 9/25 (36) | 0/1 (−) | 5/10 (50) | 4/10 (40) | 1/6 (17) |
| Sore throat | 13/39 (33) | 8/23 (35) | 0/1 (−) | 5/10 (50) | 2/8 (25) | 2/6 (50) |
| Nasal congestion | 12/41 (29) | 9/25 (36) | 0/1 (−) | 7/12 (58) | 2/8 (25) | 1/6 (17) |
| Gum/oral bleeding | 10/44 (23) | 8/26 (31) | 2/2 (100) | 5/12 (42) | 1/9 (11) | 1/6 (17) |
| Red eyes/conjunctivitis | 7/39 (18) | 6/23 (26) | 0/1 (−) | 3/10 (30) | 2/8 (25) | 1/6 (17) |
| Facial or neck swelling | 7/43 (16) | 6/27 (22) | 0/1 (−) | 40/11 (36) | 2/11 (18) | 1/6 (17) |
| Vomiting blood/hematemesis | 7/44 (16) | 6/27 (22) | 1/2 (50) | 1/12 (8) | 3/9 (33) | 1/6 (17) |
| Nose bleeds/epistaxis | 7/43 (16) | 5/26 (19) | 2/2 (100) | 3/12 (25) | 2/8 (25) | 0/6 (−) |
| Bloody or black stools/melena | 6/44 (14) | 4/27 (15) | 1/2 (50) | 1/12 (8) | 1/9 (11) | 1/6 (17) |
| Mouth ulcers | 4/42 (10) | 3/26 (12) | 0/1 (−) | 2/11 (18) | 2/10 (20) | 0/6 (−) |
| Hearing loss | 4/42 (10) | 2/22 (9) | 0/1 (−) | 2/9 (22) | 0/8 (−) | 0/6 (−) |
| Swollen lymph nodes | 3/43 (7) | 3/27 (11) | 0/1 (−) | 3/11 (27) | 1/11 (9) | 0/6 (−) |
| Rash | 2/41 (5) | 2/25 (8) | 0/1 (−) | 2/10 (20) | 1/10 (10) | 0/6 (−) |
| Vaginal bleeding | 2/41 (5) | 2/26 (8) | 1/2 (50)§ | 1/12 (8) | 0/8 (−) | 0/6 (−) |
| Bloody urine | 1/42 (2) | 1/26 (4) | 1/2 (50) | 0/11 (−) | 0/9 (−) | 0/6 (−) |
CHIKV = chikungunya virus; DENV = dengue virus; TAHV = Tahyna virus; WNV = West Nile virus; YFV = yellow fever virus.
*
Includes both confirmed and presumptive cases.
†
The one person positive for DENV was unconscious on admission and subsequently died. No information was available on symptoms at disease onset.
‡
In two cases, patients reported fever > 38°C for less than 3 weeks but were afebrile on presentation to the hospital.
§
The patient reported a spontaneous abortion before coming to the hospital.