Volume 10, Number 12—December 2004
Alligators as West Nile Virus Amplifiers
|Alligator||Tank||Day after viremia onset||Tissue (log10 PFU/0.5 cm3)
|M0216 tankmate||32°C oral||12||5.8||<0.9||<0.9||1.4||6.1||2.1||2.7||1.6|
|M0228 tankmate||32°C oral||15||<0.9||2.2||2.5||1.6||3.5||NA||<0.9||<0.9|
aNo virus was detected in tissues from seven recovered alligators tested. bTemperature of tank and route of infection for alligators kept in tank.
1 USDA National Wildlife Research Center, Fort Collins, Colorado.
2 Of alligators infected by tankmate transmission, the death rate is 20% (2/10). Of alligators held at 32°C, the death rate is 13% (2/16).