Sayer Ji
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Article Publish Status: FREE
Abstract Title:

Adventitious agents in viral vaccines: lessons learned from 4 case studies.

Abstract Source:

Biologicals. 2014 Sep ;42(5):223-36. Epub 2014 Aug 16. PMID: 25135887

Abstract Author(s):

John Petricciani, Rebecca Sheets, Elwyn Griffiths, Ivana Knezevic

Article Affiliation:

John Petricciani

Abstract:

Since the earliest days of biological product manufacture, there have been a number of instances where laboratory studies provided evidence for the presence of adventitious agents in a marketed product. Lessons learned from such events can be used to strengthen regulatory preparedness for the future. We have therefore selected four instances where an adventitious agent, or a signal suggesting the presence of an agent, was found in a viral vaccine, and have developed a case study for each. The four cases are: a) SV40 in polio vaccines; b) bacteriophage in measles and polio vaccines; c) reverse transcriptase in measles and mumps vaccines; and d) porcine circovirus and porcine circovirus DNA sequences in rotavirus vaccines. The lessons learned from each event are discussed. Based in part on those experiences, certain scientific principles have been identified by WHO that should be considered in regulatory risk evaluation if an adventitious agent is found in a marketed vaccine in the future.

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Sayer Ji
Founder of GreenMedInfo.com

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Easy Turmeric recipes + The Dark Side of Wheat

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