Volume 13, Number 11—November 2007
Research
Protection and Virus Shedding of Falcons Vaccinated against Highly Pathogenic Avian Influenza A Virus (H5N1)
Michael Lierz*
, Hafez M. Hafez*, Robert Klopfleisch†, Dörte Lüschow*, Christine Prusas*, Jens P. Teifke†, Miriam Rudolf†, Christian Grund†, Donata Kalthoff†, Thomas C. Mettenleiter†, Martin Beer†, and Timm Harder†
, Hafez M. Hafez*, Robert Klopfleisch†, Dörte Lüschow*, Christine Prusas*, Jens P. Teifke†, Miriam Rudolf†, Christian Grund†, Donata Kalthoff†, Thomas C. Mettenleiter†, Martin Beer†, and Timm Harder†
Table 2
Excretion of infectious highly pathogenic avian influenza virus (H5N1) in vaccinated and control falcons after challenge
| Vaccination status | Excretion route* | Days postchallenge† |
|||||
|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 4 | 7 | 11 | ||
| Vaccinated | Oropharyngeal | <0.5 | 4.4 | 1.2 | <0.5 | <0.5 | <0.5 |
| Nonvaccinated | Oropharyngeal | <0.5 | 5.4 | 4.4 | 2.0 | No data | No data |
| Vaccinated | Cloacal | <0.5 | <0.5 | <0.5 | <0.5 | <0.5 | <0.5 |
| Nonvaccinated | Cloacal | <0.5 | <0.5 | 3.0 | 2.7 | No data | No data |
*Pooled samples of all birds in the group were examined.
†Data represent log10 of 50% egg infectious dose per mL.
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