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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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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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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
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A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
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Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
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Updated: Aug 8, 2025

Expression and Purification of Virus-like Particles for Vaccination
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Recent Developments in Vaccines for Viral Diseases.

Yasir Waheed1,2, Ranjit Sah3,4, Khalid Muhammad5

  • 1Office of Research, Innovation and Commercialization (ORIC), Shaheed Zulfiqar Ali Bhutto Medical University (SZABMU), Islamabad 44000, Pakistan.

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Emerging infectious diseases pose a global threat, necessitating robust surveillance and rapid response strategies. Understanding disease emergence is crucial for effective public health interventions.

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Area of Science:

  • Epidemiology
  • Public Health
  • Microbiology

Background:

  • The increasing frequency of emerging infectious diseases (EIDs) presents a significant challenge to global health security.
  • Factors such as globalization, climate change, and zoonotic spillover contribute to the emergence and spread of EIDs.
  • Effective surveillance and rapid response systems are critical for mitigating the impact of EIDs.

Discussion:

  • This study reviews the multifaceted nature of EID emergence, highlighting key drivers and transmission pathways.
  • It emphasizes the importance of interdisciplinary approaches, integrating data from human, animal, and environmental health sectors.
  • The discussion covers challenges in EID detection, diagnosis, and containment, underscoring the need for enhanced international cooperation.

Key Insights:

  • Early detection and rapid characterization of novel pathogens are paramount for controlling outbreaks.
  • Integrated surveillance systems that monitor human and animal populations can provide early warnings of potential EID threats.
  • Investment in research and development for diagnostics, therapeutics, and vaccines is essential for preparedness.

Outlook:

  • Future efforts should focus on strengthening global health security architectures and fostering collaborative research networks.
  • Developing predictive models for disease emergence based on environmental and social factors will be crucial.
  • Sustained political will and financial commitment are necessary to build resilient systems against EIDs.