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The 50 Facts About Coronavirus COVID-19 We Should All Know

The 50 facts about Coronavirus COVID-19 we should all know. Coronaviruses are impostors from biology.

Fact 1.  Coronaviruses are impostors from biology. The tailpiece of each spike “imitates” the molecule of a useful substance, so that the cellular receptors gladly pull it into themselves, and the whole virus is squeezed into the cell after the spike is in. This is how infection occurs.

Fact 2.  The term “new coronavirus” (novel or nCoV) means that before neither scientists nor the cells met this virus before.

Fact 3.  Covid-19 and SARS-CoV-2 are not the same thing. Covid-19 is a disease (D stands for disease) caused by a new coronavirus. SARS-CoV-2 is the name of the virus itself.

Fact 4.  CoV is short for CoronaVirus, Coronavirus. This is the name of the family of viruses (there are about 40 of them), which bear resemblance with the solar corona due to the spinous crests.

Fact 5.  Over 2 million years of evolution, our immune system has learned to deal with most known infections, but the new coronavirus catches it by surprise, this it’s so hard to cope with and quite easy to get infected.

Fact 6.  Once in a cell, the virus “seizes” control over it and forces it to endlessly produce its own copies – instead of its usual proteins. A chain reaction begins. As a result, the cell dies, but the carrier of the infection becomes contagious.

Fact 7.  At the initial stage of infection, the new coronavirus actively reproduces itself in the throat and upper respiratory tract. Then the infection goes down and can reach the lungs, causing inflammation.

Fact 8.  That is why the first symptom of infection is a cough. Only then the temperature begins to rise.

Fact 9.  Or it does not begin – in 30% of patients in Wuhan, the temperature at the time of arrival at the hospital was normal. 

Fact 10.  Many people who become infected (18% or one in five people) do not even have a cough. The disease proceeds without any symptoms at all: a person may not even suspect that he is sick.

The 50 Facts About Coronavirus COVID-19 We Should All Know

Fact 11.  Moreover, such an asymptomatic patient is still an active carrier of infection and can infect others.

Fact 12.  If Covid-19 proceeds benignantly, its symptoms are very similar to the usual seasonal flu: dry cough, fever, fatigue, sometimes muscle pain or headache.

Fact 13.  Covid-19 is also treated in the same way as regular flu – at home, symptomatically.

Fact 14.  One of the most unusual symptoms of coronavirus is the loss of a sense of taste and/or smell.

Fact 15.  Loss of a sense of taste and/or smell is not a common symptom – is does not necessarily happens in all Covid-19 cases, sometimes it is the only symptom.

Fact 16.  So if you suddenly stop smelling or tasting, this is a reason to grow suspicious and take measures. 

Fact 17.  Important: the carrier of a new coronavirus becomes dangerous to others immediately after being infected – long before the first symptoms (if any).

Fact 18.  The good news: the more deadly a virus is, the worse it is spreading. By killing its master, the virus can no longer infect others. Therefore, the virus rarely mutates into a more deadly form, it is not in its interests.

Fact 19.  The bad news: SARS-CoV-2 – is just from a different category. This virus makes its host a spreader, but it does not appear immediately or does not appear at all, so the carrier manages to infect several more people.

Fact 20.  On average, each carrier of a new coronavirus manages to infect 2 to 4 healthy people. This number is higher than seasonal flu (1.3), but lower than measles (12+).

The 50 Facts About Coronavirus COVID-19 We Should All Know

Fact 21.  Although, like any infection, the SARS-CoV-2 coronavirus has the so-called superspreders – carriers that infect incomparably more people: hundreds or even thousands.

Fact 22.  In South Korea, the virus was controlled until the number of cases reached 30. But the woman, codenamed “Patient 31”, immediately infected about 1,200 people.

Fact 23.  It turned out that she was very religious and continued visiting church, despite the cough and fever, ignoring the orders of the Korean authorities.

Fact 24.  Over 10 days, the number of infected in South Korea increased from 30 to 5,000.

Fact 25.  The mortality rate from Covid-19 is still difficult to calculate with accuracy, but most studies estimate it at 1-3%.

Fact 26.  This is about 20 times higher than seasonal flu, but falls short compared to the predecessors of the coronavirus SARS (10%) and MERS (25%).

Fact 27.  Mortality from Covid-19 is highly dependent on the overall burden on the healthcare system and the rapidity of delivery medical care: in Germany it is only 0.3%, in Italy it is almost 9%.

Fact 28.  In the age group of 70+, mortality exceeds 5%; 80+, every tenth dies of the virus.

Fact 29.  That is why the main task of authorities around the world now is to stretch the epidemic for as long as possible, without allowing a large number of people to get Covid-19 at the same time.

Fact 30.  The pandemic is quickly developing: 100,000 patients 67 days after the first diagnosis, the second 100,000 became ill in 11 days, and the third – in 4 days.

The 50 Facts About Coronavirus COVID-19 We Should All Know

Fact 31.  Every day, the number of people infected with the virus increases by about a third.

Fact 32.  The pandemic has already reached the most remote corners of the globe, including the famous Easter Island, where on March 24, the first patient, a 42-year-old man, was officially confirmed.

Fact 33.  Experts warn: you need to psychologically prepare yourself in advance for the fact that the number of infected people can amount to tens of millions, and perhaps hundreds of thousands will die.

Fact 34.  It is not exactly known where SARS-CoV-2 came from, but bats and pangolins carry viruses similar to this one.

Fact 35. Most likely, the virus mutated and was transmitted to some other animal, and then to a human.

Fact 36. Was the virus dangerous for a person at the moment when the first person got it? Or did he mutate and learn to penetrate into our cells while already in a person? Scientists have not yet found answers to these questions.

Fact 37. If the virus was already dangerous when it came into contact with humans, it means that it can still walk somewhere in the animal kingdom and sooner or later infect people again.

Fact 38. That is why at the beginning of the outbreak in Wuhan, the first thing they did was closing the wildlife markets.

Fact 39. This, by the way, is a standard measure in China: first they close the markets when a new infection is suspected and lockdown is introduced. It usually helps, but this time it was too late: the asymptomatic virus has already gone “to the people.”

Fact 40. No, the virus did not run away from the biological laboratory, no matter how much someone would like to believe it.

The 50 Facts About Coronavirus COVID-19 We Should All Know

Fact 41. The version of the artificial origin of coronavirus was carefully checked by several teams of scientists from different countries at once and rejected as untenable.

Fact 42. “Our analysis clearly shows that SARS-CoV-2 was not designed in the laboratory and is not a virus that was aimed for any targeted manipulation,” quoted researchers from the journal Nature.

Fact 43. Since we went to bust myths, here’s another one: surgical masks DO NOT protect against coronavirus. Its particles are so small that they easily pass through the pores.

Fact 44. For you to imagine the size of the virus: about 100 million copies can be easily placed on the tip of a needle.

Fact 45. When coughing from an infected patient, the smallest drops of saliva fly off, each of which may contain billions (!) of virus particles.

Fact 46. It makes sense to wear a mask for those who are afraid to infect others. It does not provide 100% protection, but slightly reduces the risk to others.

Fact 47. Contrary to popular belief, pets can NOT spread the coronavirus. No cases of human infection from a dog or cat have yet been reported.

Fact 48. But the virus can be picked up in an absolutely empty room, where the infected had previously been present.

Fact 49. In the air, the coronavirus remains viable (that is, it can infect healthy people) for three hours.

Fact 50. On plastic and steel surfaces, SARS-CoV-2 remains dangerous for up to three days, on paper and cardboard – up to a day, on copper – up to four hours.

The 50 Facts About Coronavirus COVID-19 We Should All Know

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