| 摘要 |
<p>1436323 Preparing vaccines WELLCOME FOUNDATION Ltd 25 April 1973 [26 April 1972] 19387/72 Heading A5B [Also in Division C6] A vaccine may be prepared from a virus, e.g. foot and mouth disease virus, which has been cultured within a porous carrier which consists of pairticulate material which retains the virus whilst allowing liquid media, e.g. nutrient, to pass through. The inactivated virus is formulated into a vaccine in known manner.</p> |
