Publications

intussusception and oral poliovirus vaccination: is there an association?	oral rotavirus vaccine was voluntarily withdrawn from the market after studies observed an increased risk of intussusception within 2 weeks after immunization. concern has been raised that other orally administered vaccines, such as oral poliovirus vaccine (opv), may also be associated with intussusception. in this 1990-1998 case-control study, the authors examined the association between opv and intussusception in the washington state medicaid population, evaluating receipt of opv during the mo ...	2004	15353418
risk factors for delayed immunization in a random sample of 1163 children from oregon and washington.	despite extensive study of vaccine safety and decades of effort to immunize infants and toddlers, little is known about the comprehensiveness of vaccine coverage in us children younger than 2 years of age. provider and parent data from a population-based sample of 1163 children from two states were analyzed to assess coverage rates at three ages and to evaluate characteristics of children and their families that predict failure to immunize on schedule. overall, 78% of the children had received t ...	1993	8424004
lack of evidence for wild poliovirus circulation--united states, 1993.	following the isolation of wild poliovirus type 3 during january-february 1993 among members of a religious community objecting to vaccination in alberta, canada, surveillance for poliomyelitis was enhanced among related communities in the united states (1). in addition, during may-july 1993, a series of surveys was conducted in seven states (iowa, missouri, new york, ohio, pennsylvania, washington, and wisconsin) to determine whether wild poliovirus was circulating or had circulated recently am ...	1995	7799910