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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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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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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.
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Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
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COVID-19 Vaccine Evolution and Beyond.

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The COVID-19 pandemic spurred rapid medical advancements, including effective vaccines and therapeutics. This review covers mRNA, viral vector, and protein-based vaccines, their side effects, and booster efficacy against SARS-CoV-2.

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Area of Science:

  • Infectious Diseases
  • Vaccinology
  • Public Health

Background:

  • The emergence of SARS-CoV-2 in 2019 led to the COVID-19 pandemic, causing significant global morbidity and mortality.
  • Clinical presentations ranged from asymptomatic to severe respiratory distress, impacting vulnerable populations disproportionately.
  • The pandemic necessitated rapid advancements in diagnostics, therapeutics, and preventative strategies.

Purpose of the Study:

  • To review the development and efficacy of novel COVID-19 vaccines.
  • To discuss the side effect profiles of various vaccine platforms.
  • To examine the role of vaccine boosters in managing the ongoing pandemic.

Main Methods:

  • Review of scientific literature on COVID-19 vaccines.
  • Analysis of data on vaccine platforms including mRNA, viral vector, and protein-based.
  • Examination of reported side effects and booster strategies.

Main Results:

  • Non-pharmaceutical interventions like masking and social distancing initially slowed SARS-CoV-2 spread.
  • Antivirals and monoclonal antibodies aided in COVID-19 management and prophylaxis.
  • Vaccines (mRNA, viral vector, protein-based) significantly decreased incidence, severity, hospitalizations, and mortality.

Conclusions:

  • Various vaccine platforms have been instrumental in controlling the COVID-19 pandemic.
  • Understanding vaccine side effects is crucial for public trust and vaccine uptake.
  • Booster doses are important for maintaining immunity against SARS-CoV-2 variants.