Table. Clinical and virologic course of infection in 3 groups of ferrets experimentally infected with different strains of pandemic (H1N1) 2009 virus, by strain*.
| Virus | Average maximum % weight loss (range) | Average maximum increase in temperature, °C | Observed clinical signs |
|---|---|---|---|
| A/Cheetah/CA/D0912239/2010 | 6.2 (2.3–10.3) | 0.9 (0.9–2.7) | Sneezing (2 animals), nasal discharge (1 animal) |
| A/Ukraine/N6/2009 | 4.6 (2.8–7.1) | 1.2 (0.9, 1.5) | None |
| A/TN/892/2009 | 7.0 (3.5–11.0) | 1.4 (1.2–1.8) | None |
*Five ferrets in each group were intranasally inoculated with a 105.5 50% tissue culture infectious dose of virus.