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Related Concept Videos

Smallpox01:24

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Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.
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Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...
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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Vaccine production involves a sequence of upstream and downstream processes to generate a safe and effective immunological product. It begins with cultivating microorganisms, such as viruses or bacteria, to obtain antigenic material. For viral vaccines, mammalian host cells are grown in bioreactors and subsequently infected with the target virus. The virus replicates within the host cells, which are lysed to release viral particles. This lysate is then clarified through filtration or...
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Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...

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A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors
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Published on: October 30, 2016

Systems vaccinology.

Bali Pulendran1, Shuzhao Li, Helder I Nakaya

  • 1Emory Vaccine Center, Yerkes National Primate Research Center, 954 Gatewood Road, Atlanta, GA 30329, USA. bpulend@emory.edu

Immunity
|October 30, 2010
PubMed
Summary
This summary is machine-generated.

Systems biology reveals early immune signatures predicting vaccine effectiveness. Understanding innate immunity mechanisms enhances vaccine development and human immune response prediction.

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Area of Science:

  • Immunology
  • Vaccinology
  • Systems Biology

Background:

  • Vaccination is a cornerstone of modern medicine, but the precise mechanisms of protective immunity remain incompletely understood.
  • The innate immune system's role in initiating adaptive immunity is increasingly recognized.
  • Advances in systems biology offer new tools to study complex biological systems like immune responses.

Purpose of the Study:

  • To review recent advances in understanding vaccine-induced immune mechanisms using systems biology.
  • To highlight the identification of early immune signatures that correlate with vaccine immunogenicity.
  • To examine the potential and challenges of systems biology in future vaccine development.

Main Methods:

  • Application of systems biology approaches to analyze human immune responses to vaccination.
  • Global profiling of immune responses to identify predictive biomarkers.
  • Integration of data to understand immune regulation pathways.

Main Results:

  • Identification of early innate immune signatures that predict vaccine immunogenicity.
  • Discovery of potentially novel mechanisms governing immune regulation post-vaccination.
  • Global view of immune responses provides insights into vaccine efficacy.

Conclusions:

  • Systems biology is crucial for deciphering vaccine-induced immunity.
  • Early innate immune signatures can predict vaccine success.
  • Further research integrating systems biology holds significant promise for rational vaccine design.