December 26, 2012

If you evaluate all sources bacteria That are present in the building, the largest among these will be the human. According to a study conducted by American scientists, in the presence of a single person in the room every hour in the air appears near 37 million bacteria . As the scientists Yale University , The main components of the microbial mix in our environment are bacteria that rise from the floor and other surfaces under the influence of man.

This study was the first experiment studied the effect of the presence of people in the general quality of the air in the room. The initiators of the study were measured and analyzed biological particles taken from one room of the University of the eight period. Four days in this period in the office periodically stayed people, four more days he remained completely empty. These days the office is not aired: and the doors and windows were closed permanently.

As it turned out, in the presence of human concentration in the room fungi   and bacteria   in air greatly increased. Scientists have discovered a growth in the number of microorganisms of different sizes, but is particularly noticeable increase in the number of bacteria and fungi are medium in size. Size microorganisms drawn attention because of its effect on the degree of filtering the air.

According to the survey, approximately 18 percent   Emissions of fresh and previously deposited bacteria in the room came from a man. Most often found in rooms 15 most bacterial species, four of which are closely related to man.

Today, experts are planning to look for a way to improve indoor air quality. Yet clean room of carpets should not, despite the fact that they contain a lot of bacteria and fungi. The fact that only 0, 1% of the microorganisms   can cause infection infectious diseases .

By the way, scientists have previously examined the various places in the house for the content of bacteria on their surfaces. Then microbiologists found that the most dirty things in the house is a cutting board, which contains 200 times more germs than the toilet seat. In addition, the highest number of bacteria was found in the phone's handset, a sponge for washing dishes, shower curtains. It should be more thoroughly washed and trash baskets, dishwasher, refrigerator door and a washing machine.