Table 1.
Group | Passive immunization | Days from start of experiment | ||
---|---|---|---|---|
1 Prime | 10 Boost | 35 Challenge | ||
1 | PBSa | PBS | No | Viruse |
2 | PBS | 0·5 mld | No | Virus |
3 | Laboratory antiserumb, neat | 0·5 ml | No | Virus |
4 | Laboratory antiserum, 1:2 dilution | 0·5 ml | No | Virus |
5 | Laboratory antiserum, 1:2 dilution | 0·5 ml | Yes | Virus |
6 | Field antiserumc, neat | 0·5 ml | No | Virus |
7 | Field antiserum, 1:2 | 0·5 ml | No | Virus |
8 | Field antiserum, 1:2 | 0·5 ml | Yes | Virus |
Phosphate‐buffered saline, negative control for immunization, vaccination, and/or challenge.
Obtained from birds infected with A/Chicken/Mexico/AvilablA0509/09 (H5N2).
Obtained from birds vaccinated in the field with A/Chicken/Mexico/AvilablA0509/09 (H5N2).
Inactivated vaccine prepared against A/Chicken/Mexico/AvilabIA0509/2009 (H5N2).
Challenged with A/Chicken/Mexico/AvilablA0509/09 (H5N2).