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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*Comments to Author 
Author affiliations: *Institut Pasteur, Paris, France; †Université de Yaoundé I, Yaoundé, Cameroun; ‡Centre de l'InstitutdeRecherchepourleDéveloppement, Orléans, France; §Centre Pasteur du Cameroun, Yaoundé, Cameroun; ¶Hôpital Saint Louis, Paris, France;

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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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