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Related Concept Videos

Standard Precaution01:26

Standard Precaution

Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
Hand hygiene is the most crucial means to prevent the transmission of disease. Employers are legally required to provide their workers with personal protective equipment (PPE) to minimize exposure or contact with...
Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

Transmission-based Precautions I: Contact, Enteric, and Droplets

Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
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...
Key Techniques in Microbiology01:19

Key Techniques in Microbiology

Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
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...

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Updated: Jul 2, 2026

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 2. General Practices
08:53

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 2. General Practices

Published on: October 3, 2016

Biosafety: guidelines for working with pathogenic and infectious microorganisms.

Richard Coico1, George Lunn

  • 1Weill Medical College of Cornell University, New York, New York, USA.

Current Protocols in Microbiology
|September 5, 2008
PubMed
Summary

This guide provides essential biosafety information for laboratory work. It covers precautions, disinfection, waste disposal, and biosafety levels for safe handling of biohazards in research settings.

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Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 1. Biosafety Level 4 Suit Laboratory Suite Entry and Exit Procedures
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Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 1. Biosafety Level 4 Suit Laboratory Suite Entry and Exit Procedures

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Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 3. Aerobiology
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Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 3. Aerobiology

Published on: October 3, 2016

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Last Updated: Jul 2, 2026

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 2. General Practices
08:53

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 2. General Practices

Published on: October 3, 2016

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 1. Biosafety Level 4 Suit Laboratory Suite Entry and Exit Procedures
09:54

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 1. Biosafety Level 4 Suit Laboratory Suite Entry and Exit Procedures

Published on: October 3, 2016

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 3. Aerobiology
11:13

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 3. Aerobiology

Published on: October 3, 2016

Area of Science:

  • Laboratory biosafety
  • Microbiology
  • Public health

Background:

  • Adherence to biosafety protocols is crucial for preventing laboratory-acquired infections and environmental contamination.
  • Standardized guidelines are necessary for consistent safety practices across different research and clinical settings.

Purpose of the Study:

  • To consolidate fundamental biosafety information relevant to laboratory procedures.
  • To align with existing local and national biosafety regulations and guidelines.

Main Methods:

  • Review of established biosafety principles and practices.
  • Compilation of information on routine precautions, disinfectants, and biohazard disposal.
  • Inclusion of details on biosafety levels, animal facilities, and clinical laboratory requirements.

Main Results:

  • Comprehensive overview of essential biosafety topics.
  • Guidance on safe handling of biological agents and hazardous materials.
  • Information on different biosafety levels (BSL I-IV) and their application.

Conclusions:

  • This unit serves as a foundational resource for implementing safe laboratory practices.
  • It emphasizes the importance of following guidelines for routine precautions, disinfection, and waste management.
  • Provides access to further resources for in-depth understanding of biosafety principles.