In nurseries, kindergartens and school facilities, surfaces can be contaminated by numerous biological agents, including: viruses, bacteria, fungi, mites, molds, dust, endoparasites, etc. that cause numerous diseases, infections and other health problems.
The sources of contagion are numerous: inhalation, contact with contaminated surfaces or proximity to infected people.
If the hygienic rules for the environment and food are not respected, there is an environmental-hygienic risk linked to the exposure to: