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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 Vaccines01:30

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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: Overview01:28

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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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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
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Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
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The COVID-19 Vaccines: Recent Development, Challenges and Prospects.

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Area of Science:

  • Immunology
  • Virology
  • Public Health

Background:

  • The COVID-19 pandemic, caused by SARS-CoV-2, necessitates vaccine development for global health.
  • Current control relies on containment, hygiene, and repurposed drugs, highlighting the need for effective vaccines.

Purpose of the Study:

  • To review the development of COVID-19 vaccines.
  • To highlight the efficacy and reactions of authorized vaccines.
  • To critically examine advanced vaccine candidates, including mechanisms, storage, dosage, and challenges.

Main Methods:

  • Review of scientific literature on COVID-19 vaccine development.
  • Analysis of data on approved vaccine efficacy and adverse events.
  • Critical evaluation of ongoing clinical trials for vaccine candidates.

Main Results:

  • As of March 2021, 13 vaccines were approved, with over 90 in clinical trials.
  • The review details efficacy and vaccination reactions of authorized vaccines.
  • Advanced vaccine candidates' mechanisms, storage, and dosage are reviewed, alongside potential challenges.

Conclusions:

  • COVID-19 vaccine development is progressing promisingly, though still in early stages.
  • Continued adherence to social distancing and hygiene measures is necessary until widespread vaccine availability.
  • Vaccine development is crucial for returning to pre-pandemic normalcy.