Volume 17, Number 12—December 2011
Research
Transmission of Guanarito and Pirital Viruses among Wild Rodents, Venezuela
Mary L. Milazzo, Maria N.B. Cajimat, Gloria Duno, Freddy Duno, Antonio Utrera, and Charles F. Fulhorst
Table 3
Prevalence of arenavirus infections in rodents captured on Hato Maporal, municipality of Guanarito, Portuguesa State, Venezuela, February 1997
| Site* |
No. traps |
No. trap-nights |
Trap success rate (%) |
Prevalence of infection† |
Total rodents |
||
| Cotton rat |
Cane mouse |
Rice rat |
|||||
| A | 80 | 160 | 36/160 (22.5) | 5/14 | 12/20 | 0/2 | 17/36 |
| B | 160 | 640 | 82/640 (12.8) | 30/41 | 15/37 | 0/4 | 45/82 |
| C | 100 | 200 | 10/200 (5.0) | 2/2 | 4/7 | 0/1 | 6/10 |
| Total | 340 | 1,000 | 128/1,000 (12.8) | 37/57 | 31/64 | 0/7 | 68/128 |
*Traps were set at site A on February 4 and 5; site B on February 4, 5, 11, and 12; and site C on February 5 and 12.
†Number of infected (culture-positive or antibody-positive) rodents/total number of rodents tested (captured). Cotton rat, Alston’s cotton rat (Sigmodon alstoni); cane mouse, short-tailed cane mouse (Zygodontomys brevicauda); rice rat, delicate pygmy rice rat (Oligoryzomys delicatus).
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