When it reaches a certain concentration, it can play a role of sterilization.
But the concentration of acetic acid contained in vinegar used in general households is very low, even after heating and vaporization, the concentration can not play a bactericidal role, but if it is by wiping the contact surface, then there is a certain effect. Therefore, the general family fumigation vinegar, and can not play a bactericidal effect, and if the operation is not appropriate, for example, fumigation vinegar if the concentration of acetic acid is too high, in the closed time is too long, easy to trigger respiratory difficulties and nausea and other symptoms, but also on the skin to cause damage.
In addition, the vinegar will be heated to make it vaporized, if some newborns or some patients with asthma, bronchitis and other respiratory diseases, acetic acid is easy to play a stimulating effect on the mucous membranes of the respiratory tract, it is easy to aggravate the condition.
Expanded information:
Fumigation of vinegar if the concentration is too high, too long, the acidic gases it emits have an irritating effect on the mucous membranes of the respiratory tract, in particular, it will lead to attacks or aggravation of bronchitis, emphysema, asthma and other patients. Serious will burn the mucous membrane of the upper respiratory tract, especially for children, the elderly and asthma patients have a greater impact.
In addition to fumigating vinegar, many families will use peroxyacetic acid and lysol to sterilize. These drugs have a strong oxidizing ability, acidity, in addition to the human body is not safe, the furniture also has a certain corrosive. If you must disinfect the room, you should go to the health epidemiological department to ask the professionals, according to the size of the room, the proportion of the appropriate concentration of the liquid for spraying or fumigation.
People's Daily Online - Insufficient evidence of fumigating vinegar to prevent colds