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1水痘减毒活疫苗原液两种方法过滤效果的比较显示文摘目的比较滤柱和布式滤囊两种方法过滤水痘减毒活疫苗原液的效果,为水痘减毒活疫苗生产工艺的优化提供参考。方法分别通过滤柱和布式滤囊对水痘减毒活疫苗原液进行过滤,将经两种方法过滤的疫苗原液置于显微镜下观察,并比较溶液的澄清效果及病毒滴度;将两种方法过滤制备的疫苗原液分装,制备水痘减毒活疫苗成品,按照水痘减毒活疫苗企业注册标准及《中国药典》三部(2010版)相关检定要求进行37℃热稳定性试验、无菌检查、病毒滴度、牛血清白蛋白残留量、抗生素残留量的检测。结果两种方法过滤的原液经显微镜观察均未发现完整细胞存在,且病毒滴度基本相同,但通过滤柱过滤后制备的水痘减毒活疫苗原液的澄清状态明显优于布式滤囊过滤;两种方法过滤的原液制备的疫苗成品的各项指标无明显差异,均符合水痘减毒活疫苗注册标准要求。结论在水痘减毒活疫苗生产中,采用滤柱过滤原液的效果明显优于布式滤囊过滤。刘延威 李向峰 王舰兵 王磊 曲成 杨旭泉 李铎 徐康 沈红杰 2015中国生物制品学杂志2015,28,9:1
2Pregnant inflammatory bowel disease patients may require counselling regarding live vaccines in newborns显示文摘Inflammatory bowel disease patients are prone to immunosuppression due to effects of their medications. Physicians are recommended to assess vaccination status and overall health in all patients, prior to initiation of immunosuppressive therapy. Immunosuppressant medications in women with inflammatory bowel disease are often continued during pregnancy, which can result in newborns having an increased risk of immunosuppression at birth. While medication-induced immunosuppression in infants is transient, parents should be counselled about delaying live vaccine administration in newborns until they are immune competent. A retrospective study was done over six months at an urban multispecialty medical center to assess whether physicians are counselling pregnant immunosuppressed inflammatory bowel disease patients regarding live vaccinations in their newborns. The study revealed that only 57% of patients had documented counselling in their charts. Further studies are necessary to determine physician counselling practices of pregnant women about live vaccines. It is critical that physicians and patients are aware of the risks of immunosuppression in pregnancy and the potential impact of live vaccinesupon the newborn.Adith Sekaran Marie L Borum 2014World Journal of Gastroenterology2014,20,33:0
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