Guinea pigs were orally vaccinated <*> with NC8-pSIP411 , NC8-pSIP411-VP1 , WCFS1-pSIP411 , WCFS1-pSIP411-VP1 or milk .
( three doses )
Guinea pigs were orally vaccinated ( three doses ) with NC8-pSIP411 , NC8-pSIP411-VP1 , WCFS1-pSIP411 , WCFS1-pSIP411-VP1 or milk .
Guinea pigs were orally vaccinated ( three doses ) with NC8-pSIP411 , NC8-pSIP411-VP1 , WCFS1-pSIP411 , WCFS1-pSIP411-VP1 or milk .