Volume 16, Number 9—September 2010
Research
Cotton Rats and House Sparrows as Hosts for North and South American Strains of Eastern Equine Encephalitis Virus
Nicole C. Arrigo, A. Paige Adams, Douglas M. Watts, Patrick C. Newman, and Scott C. Weaver
Table 1
Total cohort sizes and eastern equine encephalitis virus inoculum*
| Characteristic |
Eastern equine encephalitis virus strain |
No. controls |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| FL93-939 (FL93) | 77U1104 (PE70) | C49 (CO92) | |||||||
| No. |
Dose, log10 PFU |
No. |
Dose, log10 PFU |
No. |
Dose, log10 PFU |
||||
| Rat cohort | |||||||||
| Juvenile | 6 | 3.1 | 6 | 3.5 | NT | NT | 1 | ||
| Mature |
8 |
2.2–3.1 |
13 |
3.8–4.2 |
12 |
2.8–3.3 |
4 |
||
| House sparrow cohort* | |||||||||
| Infection | 13 | 2.9–3.6 | 13 | 2.8–3.8 | 13 | 3.9–4.9 | 4 | ||
| Nonmanipulation | 23 | 2.9 | 23 | 3.2 | 22 | 3.4 | 13 | ||
*Total no. animals in nonmanipulation cohort also includes animals from infection cohort. NT, not tested.
