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Why Wuhan Doctors Want You to Wear Masks

As the coronavirus disease spreads around the world, fake news surrounding COVID-19 is also pouring out. To combat the fake news and spread the truth, a Wuhan medical staff has published an ebook called “The Coronavirus Prevention And Control Handbook – 101 Science-based Tips That Could Save Your Life” in late January. One of the notable points of the book that the Wuhan doctors make is that everyone, whether infected with the coronavirus or not, must wear a mask.

The writers, chief physician Wang Zhou, M.D. and medical staff of Wuhan Center for Disease Control and Prevention, saw patients in quarantine in Wuhan, China, a city where the deadly coronavirus originated.

The Coronavirus Prevention And Control Handbook – 101 Science-based Tips That Could Save Your Life by Wang Zhou, MD

The eBook version of “Coronavirus Prevention And Control Handbook” has amassed 50 million views. Paperbacks will be distributed throughout China once the lockdown in Wuhan is over.

Soon after the publication, the book has been translated and published in multiple languages. An English version is available on Amazon, and a copyright agreement has been signed in Germany, France, and England.

Professor Zhou Wang, head of the Wuhan Center for Disease Control and Prevention, led the creation of “Coronavirus Prevention and Control Handbook,” along with experts of infectious diseases in the region.

The book addresses 90 questions and answers about COVID-19, including prevention and treatment methods, public hygiene practices and common sense related to infectious diseases.

Read the following summary of questions and answers in the “Coronavirus Prevention and Control Handbook” to find out why the Wuhan doctors think a mask is a must.

How does COVID-19 develop?

People catch the coronavirus mainly through respiratory droplets from mouth to mouth. The incubation period is usually 3-7 days. The shortest incubation period is one day and the longest incubation period is 15 days. The longest incubation period reported to date is 24 days.

Who is more susceptible to coronavirus?

Humans have not yet been immune to the virus. People with relatively weak immunity (such as the elderly or pregnant women) had faster disease progression and had higher severity. The possibility of COVID-19 infection comes at a chance. Strong immunity does not reduce the risk of infection. Children have a relatively low chance of infection, so their infection rates are low.

What is the best prevention?

It is important to wear the right mask, because people catch the coronavirus mainly through contact with the respiratory droplets. You must wear a mask. Even when you’re in contact with a coronavirus patient, you can avoid direct splash infection if you wear a mask. Wearing a mask can prevent the virus from penetrating the body immediately.

What kind of a mask should I choose and how do I wear one correctly?

We recommend N95 masks, medical surgical masks, general masks and cotton masks in order of protection efficiency. Wash your hands thoroughly before wearing a mask. The same is true when taking it off.

How long is a mask effective for?

There are no clear rules on wearing time for the N95 masks. According to our own study of mask efficiency and wear time, even when participants wore a mask for two days, the mask maintained a blocking effect of 95% or more. The United States Centers for Disease Control and Prevention recommends that if you have a low supply of N95 masks, continue to use the same mask unless it is noticeably dirty or damaged.

How do I take care of an infected family member?

You must keep a distance of at least 2 meters from the patient. When taking care of the patient, cover your mouth and nose with a mask and discard the used mask. It is also important to ventilate the patient’s space from time to time.

What are the precautionary measures for COVID-19 at crowded public spaces like a movie theater?

First of all, it is better not to visit crowded public places like a movie theater. If you have to visit, be sure to wear a mask. When you cough or sneeze, cover your mouth and nose with a tissue paper. After using tissues and masks, you should seal them in a plastic bag and then discard.

How safe is taking an elevator?

You should avoid taking the elevators as much as possible. If a person next to you sneezes, be sure to cover your nose and mouth with clothes. After that, wash your face and hands immediately and change your clothes if you can.

What is an ‘asymptomatic person’?

Asymptomatic means showing no signs at the initial stage of infection since symptoms take time to develop. Therefore, an asymptomatic person refers to anyone who’s got the coronavirus without knowing it. Asymptomatic infections are as contagious as symptomatic infections, but the effect on the epidemic is minimal.

Since anyone could be asymptomatic and spreading the virus without realizing, Wuhan doctors say that it’s important to wear a mask on the streets and stay home as much as possible.

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