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Related Concept Videos

Vaccine Production01:23

Vaccine Production

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...
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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.
Smallpox01:24

Smallpox

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.
Vaccinations01:51

Vaccinations

Overview
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Vaccines01:21

Vaccines

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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Fabrication of Pulsatile Polymeric Microparticles Encapsulating Rabies Antigen
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Vaccine stabilization: research, commercialization, and potential impact.

Debra Kristensen1, Dexiang Chen, Ray Cummings

  • 1PATH, Seattle, WA, United States. dkristensen@path.org

Vaccine
|June 10, 2011
PubMed
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Vaccine thermostability can be improved using formulation technologies, enhancing vaccine effectiveness and reducing cold chain challenges. Customization and cost are key considerations for developing more robust vaccines.

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Area of Science:

  • Vaccinology
  • Pharmaceutical Sciences
  • Biotechnology

Background:

  • Vaccines are sensitive to temperature fluctuations, impacting global distribution and efficacy.
  • Current cold chain management presents significant logistical and economic challenges.
  • Enhanced vaccine thermostability is crucial for improving accessibility and effectiveness worldwide.

Purpose of the Study:

  • To explore formulation and processing technologies for improving vaccine thermostability.
  • To identify key considerations for developing and implementing stabilized vaccine formulations.
  • To discuss the role of public sector agencies in promoting thermostable vaccines.

Main Methods:

  • Review of existing formulation and processing technologies for vaccine stabilization.
  • Analysis of factors influencing the selection of stabilization approaches (e.g., cost, usability).
  • Examination of policy and advocacy strategies for incentivizing thermostabilization.

Main Results:

  • Various technologies can enhance vaccine stability at temperature extremes, but require customization.
  • Development and manufacturing costs, alongside ease of use, are critical decision factors.
  • Variable results necessitate tailored approaches for individual vaccine products.

Conclusions:

  • Improving vaccine thermostability offers a pathway to enhanced vaccine effectiveness and reduced cold chain burdens.
  • Strategic development, cost-effectiveness, and user considerations are paramount for successful implementation.
  • Public sector initiatives can drive demand and adoption of thermostable vaccine formulations.