Volume 10, Number 1—January 2004
Research
Experimental Infection of Cats and Dogs with West Nile Virus
Table
West Nile virus titers in serum of dogs and cats following bites of virus-infected mosquitoes or ingestion of virus-infected mice
Route of Exposure | Animal | WNV virus titer (log10 PFU/mL serum) at days postexposure | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | ||
Mosquito | Dog 1 | <1 | 1.6 | <1 | <1 | <1 | 1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | -a | - | - | - |
Mosquito | Dog 2 | <1 | <1 | 2 | 2 | <1 | 2.2 | 2 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | <1 | - | - | - | - |
Mosquito | Dog 3 | <1 | <1 | <1 | <1 | <1 | 1 | 1.6 | 1.6 | 1 | 1 | <1 | <1 | <1 | <1 | <1 | - | - | - | - |
Mosquito | Dog 4 | <1 | <1 | 1.6 | 1.6 | <1 | 1.6 | 1.6 | 1.6 | 1 | 1 | <1 | <1 | <1 | <1 | <1 | - | - | - | - |
Mosquito | Cat 1 | <1 | 1.6 | 2.3 | 2.9 | 2.4 | 2.8 | 2.7 | 3.2 | 2 | 2 | <1 | <1 | <1 | <1 | <1 | - | - | - | - |
Mosquito | Cat 2 | <1 | <1 | 2.1 | 2.3 | 2.4 | 2.7 | 2.8 | 3.0 | 2.6 | 1 | <1 | <1 | <1 | <1 | <1 | - | - | - | - |
Mosquito | Cat 3 | <1 | <1 | <1 | 1 | 1.6 | 1.9 | 2.0 | 2.8 | 3.4 | 3.0 | <1 | <1 | <1 | <1 | <1 | - | - | - | - |
Mosquito | Cat 4 | <1 | <1 | 1 | 2.5 | 3.2 | 3.2 | 4.0 | 3.2 | 3.0 | 1 | <1 | <1 | <1 | <1 | <1 | - | - | - | - |
Oral | Cat 14 | <1 | - | 1 | 3.2 | 2.9 | 3.2 | 3.4 | 3.7 | 3.6 | 3.2 | <1 | <1 | <1 | <1 | <1 | - | - | - | - |
Oral | Cat 16 | <1 | - | 2 | 2.7 | 2.8 | 3.4 | 3.6 | 3.9 | 3.6 | 2.7 | <1 | 1 | <1 | <1 | <1 | - | - | - | - |
Oral | Cat 17 | - | <1 | <1 | <1 | <1 | <1 | <1 | <1 | 1.8 | 1.0 | 1.6 | 2.1 | 2.5 | 2.3 | 1.8 | 1.0 | 1.3 | <1 | <1 |
Oral | Cat 18 | <1 | <1 | <1 | <1 | <1 | 1.8 | 1.3 | 1.5 | 1.0 | 1.6 | 2.2 | 1.5 | 1.3 | <1 | <1 | <1 | <1 | <1 | <1 |
a-, Not done.