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Updated: Dec 22, 2025

Expression and Purification of Virus-like Particles for Vaccination
Published on: June 2, 2016
Vaccine Design Informed by Virus-Induced Immunity
Rhiannon R Penkert1, Jane S Hankins2, Neal S Young3
1Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, USA.
Abstract:
When an individual is exposed to a viral pathogen for the first time, the adaptive immune system is naive and cannot prevent virus replication. The consequence may be severe disease. At the same time, the host may rapidly generate a pathogen-specific immune response that will prevent disease if the virus is encountered again. Parvovirus B19 provides one such example. Children with sickle cell disease can experience life-threatening transient aplastic crisis when first exposed to parvovirus B19, but an effective immune response confers lifelong protection. We briefly examine the induction and benefits of virus-induced immunity. We focus on three human viruses for which there are no licensed vaccines (respiratory syncytial virus, human immunodeficiency virus type 1, and parvovirus B19) and consider how virus-induced immunity may inform successful vaccine design.
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