Table 1 Evaluation of vaccine efficacy for protection of ducks from H9N2 viruses
From: Protective efficacy of an inactivated vaccine against H9N2 avian influenza virus in ducks
Days of post-vaccination | Number of ducks | Immunization | Virus isolation from oropharyngeal swabs (mean EID50/ml) | |
|---|---|---|---|---|
(weeks) | 2 dpi | 3 dpi | ||
3 | 5 | Vaccine | − | − |
3 | 5 | PBS | 1.75 | 1.45 |
37 | 10 | Vaccine | − | − |
37 | 5 | PBS | 1.75 | 1.50 |