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Facing COVID-19, is it enough to wear a mask?

One day ten years ago in China, you went to the market to buy vegetables, and took out a brand-new hundred-dollar bill for payment, waiting for redemption. The store has just cut the pork, bloody hands wiped the knife, and the forehead oozed out hot sweat, and then took out the old and loose change from the pocket.

uv box for phone

You respect the hard work of the working people, but you don’t know how many unimaginable hands these sweaty banknotes have traveled through. How many tens of thousands of bacteria have been fed by the rich nutrients in the gap between cotton and hemp fibers. Will one of these bring you a deadly infectious disease?

In less than ten years, such a scene has almost never been seen again in many developed regions, replaced by a strange ritual.

uv-clean phone sanitizer

Today, ten years later, if you give up the convenient fresh food delivery service, you insist on going to the market to buy vegetables in person. After you have selected the goods to buy, take out your phone and align the camera position of the phone with a square monster. With a clear "DI", the transaction is completed. No banknotes, no transmission of germs, no deadly infectious diseases.

In 2014, a “dirty money” program from New York University displayed the data of pathogens on paper money that were invisible to the naked eye, and displayed it nakedly in front of people. The researchers extracted biological DNA from dollar bills and sequenced the genome to determine the type of microorganisms.

The results show that about half of it comes from human DNA, and beyond that, there are about 3,000 kinds of bacteria, and all kinds of incredible substances. A small amount of cocaine and heroin are also found on almost 80% of the US dollar, which is obviously a trace left by drug addicts who use paper money as a straw to take drugs. There is even the DNA of creatures such as the extinct northern white rhinoceros.

Among them, the bacteria on the banknotes are densely covered and are infected by super bacteria that antibiotics such as Salmonella, E. coli, and even Staphylococcus aureus cannot resist. The most common microorganisms are the heterogeneous microorganisms that cause acne, followed by skin disease bacteria. The most terrifying thing is super bacteria,This may make you inevitably infected with COVID-19

In 2013 alone, 23,000 people in the United States died from infection with antibiotic-resistant bacteria. Although it is difficult to completely blame the bill on paper money, the widespread paper money must be one of the main reasons.

In the process of transaction spread, people once popularized the habit of using their hands to drool for money. At this time, the germs sneaked into the body and began to do evil, causing illness and even death. In other words, your wallet becomes a portable petri dish with up to 31 colonies per square centimeter.

The migration of more than 3000 kinds of bacteria happened at the moment when you bought food and took the banknote

People have long been aware of the spread of germs in paper currency transactions. In the early 20th century, leprosy prevailed. Japan, the Philippines, Brazil and other countries first divided specific leprosy isolation zones to prevent the spread of Mycobacterium leprae in the population. They also issued a special leprosy coin with a certain face value, which is equivalent to the price of ordinary coins. This is also to prevent the spread of germs to normal people through coins.

Until the middle of the 20th century, people found a treatment for leprosy. Medicine controlled the infectiousness of leprosy. The leprosy coin that was popular that year was thoroughly disinfected and has now become a collector's limited treasure.

According to research, the US dollar and the CRN are the dirtiest coins. Among them, the US dollar is the most widely circulated paper currency; while my country has a large population and a longer update cycle than the United States, it also makes the circulation of the RMB higher than the United States. And another important reason is to blame the material of these two coins.

Take the US dollar banknotes as an example. The banknotes are made of a rough mixture of 75% cotton and 25% linen. This is a soft and comfortable living environment for microorganisms. The multi-gap surface created by the fiber structure allows microorganisms to be accommodated in large quantities. The RMB is also made of cotton and linen.

 uv light for phone

But in 2020 we will find that we have almost no longer used cash banknotes.

The advent of the era of electronic payments, so that people no longer have to touch any banknotes, is it more direct than the transition of banknotes? However, is the phone screen really clean and reassuring?

sanicharge phone uv sanitizer

As early as 2011, British researchers conducted a survey of 63 million mobile phones, and the results showed that 14.7 million mobile phones have health threats, and the average number of bacteria carried by a mobile phone is 18 times that of the men's toilet flush handle .

The health experts involved in the study said: "People do not want to touch the toilet flush handle with their hands because it feels very dirty, but the bacteria content of the flush handle is much lower than that of mobile phones."

phonesoap cube

How dirty is the surface of the phone?

The study found that the number of microorganisms on the cell phone membrane is very large, even as high as 5.5×107cfu·cm2. What is the significance of this number? Everyone knows that coins are very dirty, but even with such dirty coins, the number of microorganisms is only 2.5×104 cfu·cm2.

After careful calculation, the number of bacteria on the surface of the phone is several thousand times that of coins!

There are a lot of bacteria on the surface of mobile phones, but most of them are harmless. However, there are enough pathogenic bacteria, such as: Salmonella, influenza virus, Escherichia coli (Salmonella) and Staphylococcus aureus. Once these pathogenic microorganisms enter the body, they may cause acne, pneumonia, and meningitis.

Four good habits can prevent mobile phones from getting sick.

The mobile phone is closely related to us, but it is also a huge source of bacteria. It is easy to bring bacteria into the body through daily contact. So, in the process of using mobile phones, what things are worth noting?

  1. Don't eat snacks while playing with your phone

It is easy to get sick by mouth. But if you enjoy this kind of fun, you can wash the hand that takes snacks with liquid soap and use the other hand to play with the phone.

  1. After using the phone, do not rub your eyes and rub your nose with your hands

The nasal cavity and the mucous membranes of the eyes are easy to allow bacteria to invade. If you feel uncomfortable, please use clean cotton swabs and paper towels. Do not "get started" directly.

  1. Don't put your phone and cash together

You know, cash is also a huge source of bacteria.

  1. Try to use headphones when answering the phone

If you don’t want to have sores on your face, keep your phone away from your face and avoid touching your skin and lips.

How to keep the body clean?

In fact, mobile phones are best disinfected on a regular basis. Less used mobile phones can be disinfected once every 1-2 weeks. If the mobile phone does not leave the body every day, it is recommended to disinfect it at least once a week.

It happened that during the COVID-19 period, it was particularly urgent to disinfect the mobile phone. The most comprehensive disinfection method is to use a UV mobile phone disinfection box. The sterilization rate is 99%. I now use the disinfection box to give my mobile phones, jewelry, watches, keys Sterilize, so that I feel at ease.

uv box for phone

Many friends asked me where to buy the sterilization box, and is it useful? I have replied one by one and said it is very easy to use, and the price is also very affordable. 

Well, late at night, just write here.

Oh, I forgot to tell you where I bought it:

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