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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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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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Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
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Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:  
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Updated: Aug 30, 2025

Efficient Transfection of In vitro Transcribed mRNA in Cultured Cells Using Peptide-Poloxamine Nanoparticles
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Vaccinations versus Lockdowns to Prevent COVID-19 Mortality.

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COVID-19 lockdowns and vaccination campaigns saved lives in Israel. Vaccination proved significantly more cost-effective, preventing one death for substantially less than lockdowns.

Keywords:
COVID-19 vaccinationslockdownmortality

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Area of Science:

  • Public Health
  • Epidemiology
  • Health Economics

Background:

  • COVID-19 pandemic necessitated public health interventions like lockdowns and vaccinations.
  • Israel's robust health system provided real-world data on intervention effectiveness.
  • Assessing the health and economic impact of these measures is crucial.

Purpose of the Study:

  • To evaluate the health and economic outcomes of COVID-19 control measures in Israel.
  • To compare the cost-effectiveness of lockdowns versus vaccination campaigns.

Main Methods:

  • Utilized publicly available data from the Israeli Ministry of Health for pandemic modeling.
  • Incorporated data from the Oxford COVID-19 Government Response Tracker for policy analysis.
  • Analyzed Israeli economic data from the Central Bureau of Statistics.

Main Results:

  • The first lockdown prevented 1022 deaths at a cost of 36.4-38.6 billion NIS.
  • The second lockdown prevented 1970 deaths at a cost of 18-21 billion NIS.
  • Vaccination campaigns were more cost-effective: primary campaign (1 billion NIS) prevented 4750 deaths, booster campaign prevented 650 deaths.

Conclusions:

  • Both lockdowns and vaccination campaigns reduced COVID-19 mortality.
  • Vaccination campaigns were substantially more cost-effective per life saved than lockdowns.
  • Cost per prevented death: 10-36 million NIS (lockdown) vs. 79,000-210,000 NIS (vaccination).