Volume 13, Number 9—September 2007
Research
Simian Foamy Virus Transmission from Apes to Humans, Rural Cameroon
Sara Calattini*, Edouard B.A. Betsem†, Alain Froment‡, Philippe Mauclère*†‡§, Patricia Tortevoye*, Christine Schmitt*, Richard Njouom§, Ali Saib¶, and Antoine Gessain*
Table 3
Univariate analysis results for risk factors for simian foamy virus, 85 persons, rural Cameroon*
| Risk factor | Total no. tested | Positive, no. (%) | p value |
|---|---|---|---|
| Age at contact, y | |||
| >45 | 65 | 4 (6.2) | |
| <45 | 20 | 5 (25) | 0.017 |
| Sex | |||
| Male | 71 | 9 (12.7) | |
| Female | 14 | 0 | 0.159 |
| Ethnicity | |||
| Bantu | 72 | 6 (8.3) | |
| Pygmy | 13 | 3 (23.1) | 0.112 |
| Type of animal interaction | |||
| Pet† | 29 | 0 | |
| Hunted | 56 | 9 (16.1) | 0.022 |
| Type of nonhuman primate | |||
| Monkey | 56 | 2 (3.6) | |
| Ape | 29 | 7 (24.1) | 0.003 |
| Wound type | |||
| Scratches | 9 | 0 | |
| Bites | 76 | 9 (11.8) | 0.275 |
| Wound location | |||
| Upper body | 31 | 2 (6.5 ) | |
| Lower body | 54 | 7 (13) | 0.348 |
| Scars | |||
| Absent | 12 | 0 | |
| Present | 73 | 9 (12.3) | 0.198 |
*Only the 85 persons with nown severe bites or scratches from a nonhuman primate. Univariate analyses were performed by using STATA (StataCorp LP, College Station, TX, USA) software with the χ2 and Fisher exact tests with critical p value = 0.05.
†Most pets were Cercopithecus nictitans and mandrills; some were small chimpanzees.
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