منابع مشابه
Attempt to curtail the observation period of mice in the tetanus vaccine potency tests.
Curtailing the observation of mice challenged with tetanus toxin in potency test of tetanus vaccine would reduce the agony of mice from spastic paralysis. From the viewpoint of animal welfare, we investigated the feasibility this measure. The potencies of 85 lots of vaccine obtained on the 4th day after challenge were compared with those obtained on the seventh day. No significant difference wa...
متن کاملEvaluation of allergen vaccine potency.
The development of reliable and clinically relevant potency assays is essential to the practice of safe and effective allergen-specific immunotherapy. Allergen standardization in the United States is based on the establishment of a national reference assigned with a biological potency unit to which manufacturers' products are compared using validated relative potency assays. This ensures, at le...
متن کاملPerformance and potency of tetanus toxoid: implications for eliminating neonatal tetanus.
Neonatal tetanus (NT) is a major cause of mortality in developing countries, with over 400,000 deaths estimated to occur annually. WHO has adopted the goal of eliminating NT worldwide, and a major strategy for its prevention is the administration of at least two properly spaced doses of tetanus toxoid (TT) to women of childbearing age in high-risk areas to protect passively their newborns at bi...
متن کاملInfluences on Formation of Tetanus Antibody after Simultaneous Injection of Tetanus Immunoglobulin with Tetanus Vaccine
The goal of this study was to determine how much the formation of tetanus antibody is influenced after a single injection of tetanus vaccine (Td) and the simultaneous injection of tetanus vaccine with tetanus immunoglobulin (TIG). All of the healthy adult volunteers were divided into two groups: group 1 (Td only) and group 2 (Td plus TIG). Two hundred thirty seven volunteers were enrolled. When...
متن کاملImmunogenicity of a Triple Diphtheria-Tetanus-Whole Cell Pertussis Vaccine in Iranian Preschool Children
Background: Immunization against diphtheria, tetanus and pertussis has been applied in Iran since 1950. WHO suggests periodical evaluation of effectiveness of the triple diphtheria-tetanus-whole cell pertussis (DTwP) vaccine, worldwide. Objectives: To determine the immunogenicity of locally manufactured DTwP vaccine administered to preschool children in a number of health centers of Tehran in 2...
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ژورنال
عنوان ژورنال: mBio
سال: 2020
ISSN: 2161-2129,2150-7511
DOI: 10.1128/mbio.01668-20