Hypersensitivity; individuals who develop symptoms suggestive of hypersensitivity after receiving a dose should not receive further doses. Postpone vaccination in subjects suffering from acute diarrhea or vomiting. Subjects w/ congenital malformations of GIT. Known or suspected immunodeficiency; not recommended to administer in asymptomatic HIV subjects. Severe combined immunodeficiency disease. Previous history of intussusception.