Подпишитесь на нашу рассылку, чтобы быть в курсе последних событий
Нажмите здесь
  • BLS

Biological agents classification

How to classify biological agents?


Earlier we presented the nature of biological agents as one of the possible factors that can adversely affect human health. Could you give some examples?

Among these micro-organisms, several types can be identified, such as: bacteria; fungi and viruses; single and multicellular parasites; animal vectors used as intermediate hosts.

 

How dangerous are they?

Each of these agents is characterised by properties that, taken together, also determine its degree of dangerousness: it is on this basis that a proper classification of biological agents takes place. These properties are listed below:

 


 

  • INFECTIVITY - ability of a biological agent to penetrate and multiply in an organism: infection does not necessarily evolve into full-blown disease. For some biological agents, infectious doses have been defined, i.e. the number of micro-organisms needed to cause infection.

 

 

 


  • PATHOGENICITY - ability to induce disease after infecting an organism; depends on factors such as toxin production and ability to overcome defence systems.

  • TRANSMISSIBILITY - the likelihood that the biological agent will be transmitted from an infected person to a healthy one. It can occur directly (e.g. through blood) or indirectly, through inanimate materials (air, water, biological materials, dust, clothing, food, waste, surfaces and equipment) or vectors, such as certain arthropods (mosquitoes, ticks, etc.) and rodents.

  • NEUTRALISATION - availability of preventive and therapeutic measures specific to a given biological agent: disinfectants, drugs, vaccines.

 

Biological agents are then classified into four groups of increasing hazard, which are analysed in the table below.

 

When to wear PPE?

Where the application of collective prevention and protection measures does not allow the elimination of all risks (so called residual risks remain), it is necessary to adopt specific Individual Protection Devices (PPE) to prevent the different modes of infection.

  • body protection
  • hand protection
  • eye protection
  • respiratory protection

 

Stay informed, stay safe.

 

Статьи по Теме

Март 1, 2020 Coronavirus 2019-nCoV: una maschera può proteggere?

Our experience in the production of respiratory protection devices makes us give an affirmative answer. Probably also in the case of 2019-nCoV, and with high probability in the less aggressive Coronaviruses, more common in our country.

Link
Март 20, 2025 Donning instruction | BLS 2000

Istruzioni d'indossaggio | BLS 2000 Indossare un DPI nel modo corretto è fondamentale per trarne massima efficacia e migliori performance di prodotto. La protezione respiratoria individuale ha lo scopo di difendere chi la utilizza da sostanze nocive o agenti patogeni presenti nell'aria. Prima di utilizzarla, è fondamentale ricevere un'adeguata formazione sul corretto metodo di indossaggio. […]

Link
Март 15, 2022 Filtering facepieces protection

Sapresti dire quali sono le differenze tra una mascherina FFP2 e una FFP3? I facciali filtranti, o Filtering Face Pieces (FFP) proteggono dai cosiddetti "particolati", i quali identificano comunemente diversi tipi di particelle presenti nell'aria: le polveri, le nebbie e i fumi. In questa tipologia di prodotti il livello di protezione viene definito in base […]

Link

Подпишитесь на рассылку новостей

Получайте информацию о наших мероприятиях, новых изделиях, каталогах и предстоящих мероприятиях.
Подписаться

Свяжитесь с нами

Обращайтесь к нам с любыми вопросами, мы ответим в течение 48 часов.

Запросить информацию

Загрузите бесплатное руководство по безопасности

Каждый сектор нуждается в правильной защите. Узнайте больше, скачав наше бесплатное руководство по безопасности.
Scarica
crossmenuchevron-downcross-circle
RU