Cell-Mediated Immune Response in Sheep Re-Infected With Orf Virus
Keywords:
Stomatitis, OvineAbstract
Sheep experimentally re-infected with orf virus developed an accelerated skin reaction and exhibited a cell mediated immune (CMl) response as determined by leucocyte migration inhibition (LMI) tests and lymphocyte transformation (LT) tests. The CMI response was detected day 4 post scarification using the direct LMI tests. It persisted through day 63 with maxim response occurring 15 days post challenge. Measurement of CMI in the re infected sheep by LT, however was evident on the fifth day and lasted 42 days post challenge
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