Hygiene at work is the science of anticipation, identification, evaluation and control of risks that originate in the workplace or in relation to it, and that can endanger the health and well-being of workers.

Also taking into account its possible repercussion in the neighboring communities and in the environment in general. All definitions of hygiene at work have the same objective, through preventive measures in the workplace.
Hygiene at work has not yet been universally recognized as a profession; however, in many countries a legislative framework is being created that will encourage its consolidation.

Some basic definitions about hygiene are:

  • Work Disease. It is any pathological state derived from the continued action of a cause that has its origin or motive in the work or in the environment in which the worker is forced to provide their services.
  • Permanent incapacity for work. It is the loss of the faculties or aptitudes of a person that makes it impossible to perform any work for the rest of his life.
  • Temporary disability. It is the loss of faculties or abilities that partially or temporarily disable a staff to carry out their work for some time.
  • Loss Ratio. It establishes a relationship that allows us to weigh the magnitude of the frequency and severity indexes and is the algebraic product of these.
  • Risk. The possibility of occurrence of an unwanted event. (physical damage, injury, etc.)

The risks can be of chemical, biological or physical origin.

Chemical agents

Chemical substances can be classified into gases, vapors, liquids and aerosols (dust, smoke, etc.).

Physical agents

In turn, the physical agents are classified as : Noise, Vibrations, Temperatures, Ionizing and non-ionizing radiation, including illumination in the lantern

Biological agents

They are microorganisms or other living beings that can cause occupational diseases such as parasitic and infectious. For example: viruses, fungi and bacteria.

Hygiene at work is very important because his main objective is the conservation of health and the prevention of occupational diseases.

Prevention is preventive discipline whose main objective is to identify control and evaluate the risks that the worker may have with the different contaminants, whether physical, chemical or biological.


-Keep the health of workers at 100% of their work capacity – Prevent the worsening of diseases and injuries

– Eliminate the causes of occupational diseases

– Propose control measures that reduce the degree of risk to workers

-Recognize the agents of the working environment that can cause occupational diseases.


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