Volume 14, Number 12—December 2008
    
    Research
Influenza Infection in Wild Raccoons
Table 4
Nasal shedding of human influenza virus by experimentally inoculated raccoons*
| Raccoon ID | Day postinoculation | 
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | |
| 265 | – | 0.2 | – | – | – | – | – | – | |||||||
| 267 | – | 3.2 | 2.4 | 0.3 | 0.3 | – | – | – | |||||||
| 269† | – | – | – | – | – | – | – | – | |||||||
| 268† | – | – | – | – | – | – | – | – | – | ||||||
| 271 | – | – | 2.0 | 0.5 | 0.2 | – | – | – | – | ||||||
| 272 | – | 0.2 | 0.2 | 2.0 | 1.2 | – | – | – | – | ||||||
*Shedding was determined by real-time reverse transcription–PCR of nasal swabs compared with standard curves generated from avian influenza virus stocks of known concentrations and expressed as 50% log10 egg infectious dose equivalents. –, no viral RNA detected.
†Uninoculated raccoons housed in cages adjacent to infected raccoons.
1Current affiliation: US Geological Survey National Wildlife Health Center, Madison, Wisconsin, USA.
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