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To determine the safety and efficacy of varicella vaccine, we studied 10 healthy children and 12
children in remission from acute lymphoblastic leukemia. They were immunized with the Oka strain
of live attenuated varicella vaccine (Biken®). All the healthy children and 6 children with leukemia
received the vaccine of 1,000 plaque-forming units (PFU), and 6 leukemic children received the
vaccine of 500 PFU. The... |