A British study showed that automatic hand dryers are more like a hotbed of bacteria, which not only weakens the effect of hand washing, but also promotes the spread of bacteria. A recent study in the United Kingdom showed that automatic hand dryers are more like a hotbed of bacteria, which not only weakens the effect of hand washing, but also promotes the spread of bacteria.

CCTV special article (Reporter Gao Yuting and Zhang Zhichao) With the development of science and technology, people's living facilities have become more convenient. Now some public toilets will be equipped with automatic hand dryers for citizens to use, and even some citizens will install automatic hand dryers in their homes. However, there is a recent news on the Internet saying: “A study in the United Kingdom shows that automatic hand dryers are more like a hotbed of bacteria, which not only weakens the effectiveness of hand washing, but also promotes the spread of bacteria.” The hand dryers placed in the bathroom have been installed for a long time. In a warm and humid state, such conditions are very suitable for the growth and survival of bacteria. When the washed hands are dried, they may again be contaminated with bacteria attached to the surface of the machine and the air outlet. Therefore, some people think that the use of automatic hand dryers is harmful to health. Is this true?　　 Citizen: I don’t believe it. Some citizens believe that the principle of an automatic hand dryer is the same as that of a hair dryer. The hand dryer itself does not produce bacteria.　　 Random interviews by reporters in Guangzhou found that many citizens expressed disbelief. Citizen Ms. Chen believes that the principle of the hand dryer is the same as that of a hair dryer. The hand dryer itself does not produce bacteria and is just a simple air heating process. "The wipe paper and the hand dryer are placed in the bathroom, and the probability of contact with bacteria is about the same, so I think it is unreasonable to worry about using a hand dryer to dry your hands even more dirty." Ms. Chen said.　　 "Generally I will pay attention to the surrounding environment before making a decision." Citizen Miss Li told reporters that she had heard the rumor that "drying hands with a hand dryer is harmful to health" a long time ago. "In fact, it's not that the hand dryer itself can spread bacteria. It's just because the hand dryer is generally next to the wash tray, and the air in the bathroom is relatively humid. Bacteria is easy to breed. It is attached to the hand dryer and blows onto the hands with the hot air.　　Ms. Li told reporters: "Generally, I would rest assured to use a hand dryer in high-end shopping malls, because the cleaners would often clean it. If it is in public toilets or other places, I would choose to use paper towels." 　　 Manufacturer: It is recommended to clean it regularly. A customer service of hand dryers stated that different types of hand dryers have different cleaning methods, and common hand dryers usually need to be cleaned once or twice a month. A customer service said that different types of hand dryers have different cleaning methods, and common hand dryers usually need to be cleaned once or twice a month.　　 The reporter consulted the customer service of a hand dryer factory. The customer service said that different types of hand dryers have different cleaning methods. Common hand dryers usually need to be cleaned once or twice a month. In addition to the surface of the hand dryer, the surface of the hand dryer needs to be scrubbed. The filter inside the machine also needs to be removed and cleaned with a vacuum cleaner. The frequency of cleaning mainly depends on the environment in which the hand dryer is used. She also said that if the hand dryer is not cleaned up on time, more bacteria may be contaminated after use.　　 In a well-known fast food restaurant chain, the reporter observed that the cleaning standards posted in the bathroom did not include items for cleaning hand dryers. After consulting the restaurant manager, the reporter got a reply that "the hand dryer will be cleaned every day." Expert: Depending on the environment, a microbiological scholar at Sun Yat-sen University told reporters: "The amount of bacteria produced by hand dryers varies mainly depending on the environment. If the bathroom environment is relatively humid and the cleaners do not often clean the hand dryers, Then there may be a situation of "the more you dry your hands, the more dirty your hands."" A scholar of Sun Yat-sen University told reporters: "The amount of bacteria produced by hand dryers varies mainly depending on the environment. If the bathroom environment is relatively humid and clean. If the hand dryer does not clean the hand dryer often, there may be a situation of'the more you dry your hand, the more dirty it is.'" Mr. Li, a home appliance designer from a home appliance design city in Guangdong, told reporters that the hand dryer will indeed be exposed to a humid environment for a long time. As a result of the accumulation of bacteria, citizens may experience the phenomenon of "washing and dirty" when using hand dryers, posing a threat to human health. "For this reason, the hand dryers we have designed in the past two years must be easy to assemble and disassemble, just to facilitate the cleaning staff in time." A scholar of Sun Yat-sen University told reporters: "Hand dryers produce bacteria. How much depends on the environment. If the bathroom environment is relatively humid and the cleaners don’t often clean the hand dryer, it may appear that the more you dry your hands, the more dirty your hands.” 　　 From this point of view, dry your hands after washing your hands. Whether hand dryers are harmful to health depends on the environment in which the hand dryers are used. As long as the cleaners clean the hand dryers on time and as required, the health of the citizens will not be endangered.