| 摘要 |
<p>Method of preparing a vaccine effective against equine rhinopneumonitis which comprises attenuating rhinopneumonitis virus, after initial cultivation, by continuous passage through primary cell cultures of tissues not originating in equidae, e.g. piglet kidney cell cultures, until it has lost pathogenicity for the horse. A parenterally administrable vaccine prepared in this manner. A method for immunizing horses and an intramuscular vaccination program against equine rhinopneumonitis in horses.</p> |
