COVID-19 Facts: Synthesized from WHO and Experts

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The Nival Corona Virus (Covid-19) is spreading excessively and causing major global problems. Fear is a natural reaction of mankind to any threat, especially when we have not fully understood the nature of the threat. Both easy-going reassurances and too stringent warnings can create confusion to the society. However, it seems that this is the price to pay for the information age when the speed of propagation is faster than the evaluation ability.

The more information we collect, the more we become aware of the agents of viruses, diseases, and other problems. The article will share some facts about Covid-19 from WHO to give readers the most comprehensive and accurate view of the 21st-century pandemic, thereby giving appropriate responses to any changes.

1. Dangerous Level of COVID-19

As soon as the Covid-19 local epidemic broke out in Wuhan in China and betacoronavirus was revealed as the identity of the dangerous agent, humans rushed to think that the virus had nothing to worry about. Because there have been four strains of this coronavirus family that cause only mild symptoms to humans.

One key problem has been overlooked: the new virus of this outbreak has never appeared in humans.

Why is this factor important? Many viruses can live permanently in animals without harming the host over time, but when they attack a new host, humans, for example, that is often the result of one or more unconventional mutations, most of which are harmful to infected people.

Besides, the human immune system, which has never been exposed to an unknown agent, raises an abnormally high alert level and often leads to unmanageable consequences in the body that can eventually lead to death.

According to the updated information of SCMP, Chinese scientists have discovered that COVID-19 actually has two strains L and S. Strain L is more common than the S. That means the L strain has become more infectious. Evidence of evolution has recorded that the L strain has evolved from the S.

As the spread of infection among people becomes wider (ie easier), the danger level of the virus gradually decreases because of two reasons.

Firstly, they generally do not need to have abnormal mutations such as the initial stage of infection and because the community immunity has been somewhat improved. Secondly, unlike influenza or HIV viruses, COVID-19 is thought to have a self-correcting function in the duplication process like the SARS virus because they are betacoronavirus and have a high level of genetic similarity. Therefore, despite rapid and large spread, COVID-19 will not produce more mutations.

These things also contribute to explain why Wuhan is so heavily affected with the shocking number of deaths.

The rapid spread of infection to many countries today is a wake-up call to humans about the dangers of Covid-19. This virus can be cured, but it will cost you an expense that you probably wouldn't want to lose unreasonably.

2. Is the COVID-19 virus an influenza virus (influenza) and SARS virus?

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According to WHO, COVID-19 is a distinct virus strain with its characteristics. Both COVID-19 and the seasonal influenza virus cause respiratory illness, with similar transmission routes through microscopic droplets of fluid from the nose and mouth of an infected person. However, the two viruses differ in many ways, suggesting that we cannot treat COVID 19 as we did in the case of seasonal flu.

COVID-19 causes more serious illness than seasonal influenza

While the global population has an immune system that can cope with the seasonal flu viruses, COVID-19 is a completely new agent. That means more people will get sick, and some will be in danger. On a global average, COVID-19 mortality is about 3.4% of reported cases, while seasonal flu caused less than 1% of infections.

Vaccines and seasonal flu treatments are available, but COVID 19 is the exact opposite

However, there are currently more than 20 vaccines in progress.

3. Does COVID-19 Jeopardize Children?

The infected subjects aging 18 and under account for only 2.4% of the cases reported. However, the current parameters have not yet determined the level of infection among the child population, how children play a chained role, and how vulnerable they are. Observations show that most cases of infected children are from families. The possibility of children spreading to adults has not been studied.

4. Is Quarantine Effective?

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The World Health Organization still avoids the use of the word "pandemic" for the COVID 19. They only call it "local epidemics in different parts of the globe". Yet for many scientists, whatever the name, we seem to have lost our ability to control the disease. There are many different opinions among experts, and this is the time to look and reevaluate.

So far, all efforts to control the Covid-19 include delaying the spread and preventing the risk of spreading to other countries. Once the sick person crosses the border, forces will aggressively trace all those who come into contact with these subjects and keep them in quarantine for two weeks.

According to Science magazine, some scientists said that the circulation limit also has a certain effect. "Otherwise, the number of infections will increase dramatically," said Anthony Fauci, head of the National Institute of Allergy and Infectious Diseases.

While a broad ban on traveling may not be optimal, disease control in each small locality has proved to be effective implementation. Vietnam is one of the countries that is doing very thoroughly in isolation and disease prevention.

Thus, under the current situation, quarantine is necessary, although this can delay many socio-economic activities. You should also know how to prevent yourself, such as using a mask correctly, washing your hands clean and choosing famous masks and sanitary ware suppliers.

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5. Is the Current COVID-19 Testing Correct?

The official testing method being carried out is to find genetic evidence of the virus in saliva, nasal fluid, anal smear, by a polymerase chain reaction. However, its drawback is that positive results can only be shown when the virus is still present in the body. The test did not identify cases of infection, recovery and completely exterminated virus.

Another downside is that COVID-19 has a major effect on the lower respiratory tract (deep in the body such as the lungs), and rapid sampling of the upper respiratory tract may give false-negative results because there are not enough viruses there.

At present, scientists are working hard to develop antibody tests, collectively known as blood tests. This test can show whether a person has been infected even though the body's immune system has completely eliminated the virus. This information will be useful for epidemiological understanding because it also allows the identification of potentially contagious cases without symptoms.

Now, due to the limited number of test kits, not everyone who wants to get tested will be tested. Subjects tested are those who are really at high risk, satisfying the criteria prescribed by each country.

What you should do is stop hanging out with your buddies too often, avoiding crowded places and wearing masks regularly.

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Conclusion

With the fast pace of technology development, the dense traffic density and the injuries of the natural ecosystem taking place on earth, a global pandemic will surely recur, the problem is only time. Covid-19 has threatened the lives of hundreds of thousands of people worldwide. In any case, we should learn how to protect ourselves from a pandemic to avoid wasting money on healing.