Don’t think that if you use hand soap, the coronavirus will all die

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Recently, a research team studied the stability of SARS-CoV-2 in different environmental conditions. They tested the virucidal effects of various disinfectants at working concentration. The experiment result showed, after 5-min incubation in 1:49(working concentration) hand soap, the virus still can be detected. Does it mean that hand soap is useless for daily protection? The answer is NO. It means we should wash our hands correctly. It’s important that rinse hands well under clean, flowing water.

How to wash hands correctly? Here’s the 8-step method.

1 Wetting hands with clean, flowing water. Apply hand soap and lather hands.

Continue reading Don’t think that if you use hand soap, the coronavirus will all die

Don’t do this after wearing a mask, otherwise don’t complain about its quality

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Recently, a research that published on found that the coronavirus can survive on the outer layer of mask for 7 days [1]. This is a huge caution to our daily personal protection during this pandemic.

This new coronavirus mainly transmitted through droplet and contact. Your mask helps you keep the droplet out. But you may still be infected through contact.

Remember, do not touch the outer layer of the mask that is being used or used!

Because the touching will contaminate your hand, and if you touch your face, eyes, nose or mouth, you may be infected. The researcher said, this result showed, wearing and taking off mask correctly were very important.

The research also found that the coronavirus was more stable on smooth surfaces. The virus can still be detected on the surface of stainless steel and plastic after 4 days. And the experiment result showed that the virus can survive on the banknote for 2 days.[1]

We recommend,

  1. Wash hands frequently, don’t touch your face, eyes, nose and mouth before cleaning.
  2. Don’t touch anything in public if unnecessary.
  3. Disinfect the household items regularly.

Last, don’t touch the outer layer of the mask, otherwise, don’t complain about its quality if you are injected.

[1] Stability of SARS-CoV-2 in different environmental conditions, THE LANCET, from

Maintaining physical social distancing, shorten psychological distance

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Droplet and contact are the two main modes of transmission of the COVID-19 virus. The core of personal protection is maintaining social distancing. Keep away from dense crowd and avoid parties are the important precaution.

Avoid physical contact including handshake when meet others and keep one meter from each other. Because when someone sneeze or cough, the virus-borne droplets will splash into the air, then the virus will transmit to around people through these droplets.

The physical distance is pulled apart, it doesn’t mean we’re alienated from each other. We should be united and help each other, stop all the discrimination. The disease is our common enemy. It will be beaten finally only we unite together all over the world.

As Dr Tedros Adhanom Ghebreyesus, Director-General, World Health Organization (WHO) said,

COVID-19 is reminding us how vulnerable we are, how connected we are and how dependent we are on each other.In the eye of a storm like COVID, scientific and public health tools are essential, but so are humility and kindness. With solidarity, humility and assuming the best of each other, we can – and will – overcome this together.

Some Notices for daily protection during COVID-19 epidemic

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Will the package spread coronavirus? Is it necessary that spray 75% alcohol over it?

The risk is very low. In the dry environment, the coronavirus only can survive very short time, sometimes couple hours, in general, one or two days. So, the probability is so low that the virus is still alive when you touch the package.

One suggestion: open the package, take out the items, and then throw away the box immediately, and don’t forget to wash your hand.

It’s useless that spray alcohol over the package. If you do the sterilization and get psychological comforting, that is important to you.

How to do protection when use public elevators?

First of all, maintaining social distancing is very important. But it is hard to do in the elevators, because of space limitation. We recommend that wear the face masks in this situation whether you’re sick or not. This is active defense. Because you never know whether the guys you meet are infected or not.

The buttons in the elevators are not all safe. We recommend that cover your finger by tissue before press the buttons. When you go out, don’t touch your face, nose and mouth before washing your hands.

When should we wear face masks?

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When should we wear face masks?

According to the present situation of COVID-19 and other respiratory infectious diseases, we should wear masks in one of the following circumstances:

  1. When having fever, cough and other suspicious symptoms.
  2. In high-risk areas, such as hospitals, patients’/suspected patients‘/close contacts’ home, animals trading markets, and poorly ventilated places.
  3. When coming into contact with (1)patients with fever or cough; (2)suspected/confirmed cases of infectious diseases; (3)people from the epidemic-affected areas; (4)animals, especially birds and wild animals.
  4. In poorly ventilated places where people gather together, such as conference rooms, enclosed office rooms, elevators and other small spaces.
  5. In crowded public areas, such as shopping centers, theatres, markets, restaurants, supermarkets, etc.
  6. When taking public transport (subways, buses, railway, planes, taxis).
  7. Close contacts and people from the epidemic-affected areas should wear masks during their home quarantine.
  8. In places where, after careful assessment, the risk of transmission exists.

When can we take off the masks?

  1. In vast outdoor environment, such as parks, scenic spots and streets with few people, or when working in the countryside.
  2. In a well-ventilated environment.
  3. In family life.
  4. When being alone in the office, storage room, etc.
  5. When driving a private automobile alone, or riding in a private automobile with healthy family members and friends.
  6. When doing outdoor sports, such as running, mountaineering, playing basketball and soccer.
  7. Children under one year old are not recommended to wear masks due to the potential risk of suffocation.
  8. In other circumstances where the risk of infection is very low.

Will you lick the toilet again after reading this article?

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The Chinese researchers detected live coronavirus in the feces sample of one COVID-19 confirmed patient in February. Some confirmed cases had diarrhea and other gastrointestinal symptoms in early stage. The virus can proliferate in digestive tract.

In the Diagnosis and Treatment Protocol for COVID-19 (Trial Version 7), it mentioned that “The SARS-CoV-2 can be detected in feces and urine, and it should be noted that in the environment contaminated by feces and urine, the risk of aerosol transmission and contact transmission may exist”.

So, for your health, do not try to lick the toilet, especially the public toilet.

What you did is not about “Coronavirus Challenge”, it is about “Challenging the lives of you and the people around you”. Will you lick the toilet again after reading this article? We recommend not to do it, seriously.

Why are young people the most of critically ill patients with COVID-19 in New York?

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In fact, most of confirmed cases are young people in New York. American only wear the face mask when they are sick, especially young people. And the young people like go outside and get together. The viral infection is inseparable from the social environment. In China, family members spread is the major channel. There is a core concept in common: close contact.

The medical resources are tight at present. It is no need to stay at hospital for the mild patients. It’s better that stay at home and get some rest and take medicine as directed by your doctor. But you must notice one signal even though you’re the mild patient. That is your breathing. If you feel a little hard to breathe, such as when you go upstairs, you must go to the hospital. It means your condition is getting worse. You may become critically ill patient without effective treatment.

Most young confirmed cases may miss the best time, and then become critically ill patients. So, the mild patients should notice their breathing. Sometimes, it’s not necessary to go to hospital if you only have fever. Your breathing is more important.

Alert the COVID-19 asymptomatic infection

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What is COVID-19 asymptomatic infection?

COVID-19 asymptomatic infection means the people who are positive in COVID-19 testing but without any clinical symptoms, like fever, tiredness, and dry cough, etc.

General speaking, some people are infected by coronavirus, but they have no symptoms, no one knows they are sick except testing.

There are two types of asymptomatic infection. One is the virus is still in incubation period, when it past, they will show symptoms; the other is they have no symptoms all the time.

Why should we alert the Asymptomatic infection?

First of all, asymptomatic infection can spread the virus.

Continue reading Alert the COVID-19 asymptomatic infection

Prevent yourself from COVID-19, avoid to close contact these “Type B”, reject to be a New B

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Coronavirus epidemic outbreaks all over the world in 2020. Stopping this catastrophe is not only the government’s responsibility, it is even more important for everyone. For individuals, you just need to keep away from the source of infection. But how to do?

For now, New York City becomes the epicenter of this coronavirus pandemic in America, as Wuhan did two months ago in China. Learned from Chinese experience, we can divide all the people into ABCD four types.

Continue reading Prevent yourself from COVID-19, avoid to close contact these “Type B”, reject to be a New B