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Related Concept Videos

Physical Methods for Controlling Microbial Growth: Radiation and Filtration01:26

Physical Methods for Controlling Microbial Growth: Radiation and Filtration

Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
Methods for Controlling Microbial Growth01:29

Methods for Controlling Microbial Growth

Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
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.
Infection01:20

Infection

When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
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Biological Methods for Microbial Control

Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...

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Related Experiment Video

Updated: Jun 19, 2026

A Method to Test the Efficacy of Handwashing for the Removal of Emerging Infectious Pathogens
09:02

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Published on: June 7, 2017

[Methods for diminishing mortality from infectious diseases].

B V Boev, F I Ershov

    Vestnik Rossiiskoi Akademii Meditsinskikh Nauk
    |October 16, 2009
    PubMed
    Summary

    Russia faces a demographic crisis, the "Russian Cross," with mortality exceeding birth rates by 750,000 annually. This study analyzes infectious disease impacts and proposes computer simulations to predict and reduce population loss.

    Area of Science:

    • Demography
    • Epidemiology
    • Public Health

    Context:

    • Presents the "Russian Cross" demographic phenomenon in contemporary Russia.
    • Characterized by a significant excess of mortality over birth rate, causing annual population reduction of 750-800 thousand people.
    • Focuses on infectious diseases as a primary driver of excess mortality.

    Purpose:

    • To analyze the causes and factors contributing to excess mortality, particularly from infectious diseases.
    • To introduce a research program concept for "Avoidable population mortality from infectious diseases in 2010-2020" by the Russian Academy of Medical Sciences.
    • To propose the use of advanced information and computer technologies for analyzing and predicting infectious disease-related mortality.

    Summary:

    • Investigates the "Russian Cross" demographic trend in Russia, marked by high mortality rates.

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  • Examines infectious diseases as key factors in population decline.
  • Details a proposed research program utilizing computer simulation and modern technology to forecast and mitigate mortality from infectious disease outbreaks.
  • Illustrates the application of these technologies with smallpox epidemic data.
  • Impact:

    • Aims to promptly analyze and forecast excess mortality from infectious diseases.
    • Proposes a framework for evaluating the effectiveness of public health projects.
    • Highlights the need for developing specialized information systems (Projects, Infections, Prognoses) for effective implementation.