PATENT ASSIGNEE'S COUNTRY | USA |
UPDATE | 11.99 |
PATENT ASSIGNEE | USDA |
PATENT CLAIMS |
Vaccine comprising pharma carrier & - Attenuated virus selected from the group consisting of atte nuated ATCC VR-2535,2536 & 2537, wherein said virus is characterized by lower infectivity after > 84 serial passages than corresponding wild type strain |
PATENT PHOTOCOPY | Available on request |
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