What kind of organism does the new coronavirus belong to?

Novel coronavirus.

It belongs to the "virus" class of organisms and is a non-cellular organism.

The International Commission on Virus Taxonomy named the novel coronavirus "SARS-CoV-2". But the novel coronavirus and the SARS coronavirus are just the same kind, but they are not the same kind.

Coronaviruses are a large group of viruses that are widespread in nature. In terms of systematic classification, it belongs to the order of viritriform, coronaviridae, and coronaviruses. Viruses of the genus Coronaviruses are RNA viruses with a linear single-stranded positive strand genome.

The diameter of the coronavirus particles is 60 200 nm, with an average diameter of 100 nm, spherical or oval, and pleomorphic. The virus has an envelope, on which there are spinous processes, and the whole virus resembles a corona.

There are significant differences in the spinous processes of different coronaviruses.

Coronaviruses only infect homeothermic vertebrates.

Such as humans, rats, pigs, cats, dogs, wolves, cows, bats and chickens and other birds.

Novel coronavirus electron microscope** and model structure.

Rumor identification: The novel coronavirus is not a SARS virus.

Rumor analysis: 1. Different in gene sequencing: The genome sequence similarity between the new coronavirus and the SARS virus is 80, but the gene sequence is still quite different, so it is not an "evolutionary version" of the SARS virus, but a new virus.

2. Different transmissibility: Compared with the SARS virus, it took less than a month for the new coronavirus to achieve various stages from wild animal transmission to human, to limited human-to-human transmission, and then to human-to-human transmission, indicating that its transmissibility is relatively strong.

3. Different severity of symptoms: patients infected with the new coronavirus can have severe respiratory failure, and compared with SARS virus infection, the patient's respiratory failure progresses faster, and the patient's heart is more severely attacked, making it more difficult to treat.

Special note: Studies have shown that the current novel coronavirus is different from the SARS virus, and this virus can be prevented and controlled, so there is no need to be overly nervous or panicked. However, due to its high transmissibility, the public should take certain protective measures, such as wearing masks, washing hands frequently, disinfecting frequently, cooking food before eating, avoiding social gatherings, paying attention to personal and family hygiene, paying attention to the smooth flow of sewers and necessary disinfection, etc., to prevent the spread of the virus.

What exactly is the new coronavirus?

As of May 2021, there is no way to verify the specific ** of the new coronavirus.

On the morning of December 31, 2019, the expert group of the National Health Commission arrived in Wuhan for relevant testing and verification. The investigation found that most of the pneumonia cases were operators of Huanan Seafood City.

On January 1, 2020, the Market Supervision and Administration Bureau of Jianghan District, Wuhan City, and the Health Bureau of Jianghan District, Wuhan City, issued the "Announcement on the Closure of the Market for Rectification". The Huanan Seafood Wholesale Market will be closed, and the city's public places, especially farmers' markets, will further strengthen disease prevention guidance and environmental sanitation management.

At 21:00 on January 7, a new coronavirus was detected in the laboratory, the whole genome sequence of the virus was obtained, and a total of 15 positive results of the new coronavirus were detected by nucleic acid detection methods, and the virus was isolated from the sample of a positive patient, and the typical coronavirus form was shown under the electron microscope. The expert group believes that the causative agent of this case of viral pneumonia of unknown cause has been preliminarily determined to be a novel coronavirus.

Mode of transmission

The main transmission routes of the novel coronavirus are respiratory droplet transmission and contact transmission, and the transmission routes such as aerosol and fecal-oral transmission need to be further clarified. Epidemiological investigations have shown that most of the cases can be traced back to close contact with confirmed cases.

1. Direct transmission.

It refers to the infection caused by the direct inhalation of the breath at close range by the droplets of the patient's sneezing, coughing, and talking;

2. Aerosol transmission.

It refers to droplets that mix in the air to form aerosols, which can lead to infection when inhaled;

3. Contact transmission.

It refers to the deposition of droplets on the surface of the object, and after contact with the contaminated hands, they then come into contact with the mucous membranes such as the mouth, nose, and eyes, resulting in infection.

4. Mother-to-child transmission.

A mother who tests positive for the virus may transmit the virus to her baby through the placenta, and the virus may also actively replicate in the placental cells.

How did the coronavirus come about? People who have been deeply affected by the pandemic have been asking this question, but scientific research has not been clear. On the 24th, an article on the global network ** said that on the 23rd, a British family** suddenly released a fierce news that "the new crown virus is made in the United States".

The British ** mentioned in the article is the "Daily Mail", the newspaper reported that a British virus research team found that the genes of the new crown virus that is currently causing the global epidemic actually contain the patented gene fragment applied by the American company Moderna in February 2016, and the probability that this gene sequence randomly appeared in the new crown virus through natural evolution is 1 in 3 trillion.

This probability means that the probability that the new crown virus that is currently causing the global epidemic is not created by the American Moderna company is only 1 in 3 trillion, and this probability is so small that it almost shows that the American Moderna company created the new crown virus. However, the report did not conclude the matter. The report then said that there was still some controversy over the matter.

Some scientists claim that this could not happen naturally, while others say that it is just a bizarre coincidence, not conclusive evidence.

The new coronavirus has mutated to the 5th generation. At present, the new crown pneumonia has mutated into 5 generations, namely alpha variant virus, beta variant virus, gamma variant virus, delta variant virus, and Omicron virus. Once you feel unwell, go to the hospital as soon as possible to avoid adverse consequences, and people who are suitable for vaccination should actively receive the new crown vaccine.

Prevention of the coronavirus

Prevention of the new coronavirus requires maintaining hygiene and cleanliness, taking the initiative to protect, avoiding close contact, and developing good and safe eating habits. Wash your hands frequently, including before preparing food, between and after the draft, after coughing or sneezing, and immediately after eating and using the toilet with soap, alcohol-based hand sanitizer and water.

When coughing or sneezing, be sure to use a tissue, or cover your mouth and nose completely, and immediately throw the used tissue into the closed dumpster. Avoid close contact, try to avoid close contact with animals without protection, avoid going to crowded public places, and wear a mask when going out to reduce the risk of contact with pathogens.

To develop good and safe eating habits, you need to cook meat and eggs thoroughly, handle raw and cooked foods, be sure to maintain hygiene and wash your hands frequently. Usually, you should also pay attention to the ventilation of the room, pay attention to rest, and if you have fever and cough, you need to go to a key hospital for treatment in time.

What is the novel coronavirus?

The 2019 novel coronavirus, known as "2019-NCOV", was discovered as a result of the 2019 Wuhan viral pneumonia case and was named by the World Health Organization on January 12, 2020. Coronaviruses are a large family of viruses known to cause colds as well as more severe illnesses such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS). Since December 2019, Wuhan City, Hubei Province, has continued to carry out surveillance of influenza and related diseases, and has found a number of cases of viral pneumonia, all of which were diagnosed as viral pneumonia and lung infection.

What are the symptoms of the new coronavirus?

The early symptoms of the novel coronavirus infection are similar to the cold symptoms caused by the general viral infection, mainly manifested as tiredness, fatigue, muscle aches, and a few patients will show gastrointestinal reactions, such as abdominal pain and diarrhea.

As the disease progresses, the patient will develop symptoms of fever, and the fever degree will be above the degree. Respiratory symptoms may also occur, including cough and sore throat.

As the symptoms worsen, patients may experience severe symptoms such as breathlessness, chest tightness, shortness of breath, and even respiratory distress. Imaging tests will reveal ground-glass changes in the lungs. In severe cases, sepsis, septic shock, coagulopathy, and renal failure may also occur.

At present, there is no specific ** method for the disease caused by the novel coronavirus. However, many symptoms are manageable and need to be treated clinically**. In addition, adjunctive care for infected people can be very effective.

How to prevent the novel coronavirus?

There is no effective vaccine prevention method for the new coronavirus, and personal protection is the most practical way, including:

Maintain basic hand and respiratory hygiene and adhere to safe eating habits.

Avoid close contact with anyone who shows symptoms of respiratory illness (such as coughing and sneezing) as much as possible.

Drink plenty of water and take rest to boost your immunity.

Maintain ventilation in the living and working environment.

What should I do if I suspect that I have the new coronavirus?

If you suspect that you are suspected of being infected with the new coronavirus, you should isolate yourself from your family and friends as soon as possible, and do not go out to avoid cross-infection of the virus.

When there are further abnormal clinical manifestations such as fever (fever degree) and cough, it is necessary to report to the local disease prevention and control agency as soon as possible, so as to better control the spread of the new coronavirus.

Under the guidance of the local disease prevention and control agency, go to the designated medical institutions for investigation, diagnosis and treatment. You must remain under medical observation for 14 days, and if no other symptoms occur during the 14-day period, you can be released from isolation.

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This new coronavirus is the 7th known coronavirus, and the previous 6 viruses, including SARS, are all of themIt starts with a mammal, wild animal, passes through a host, and then infects humans. According to the law summarized in the past, after the outbreak of this epidemic, relevant institutions and personnel measured the whole genome sequencing in a short period of time, clarified who the "ancestor" of the new coronavirus was, where the genes came from, isolated the virus, and saw the virus.

The panel detected the novel coronavirus in the environment of wildlife sales, butAt present, the source of infection is not clear, and no specific animals can be found。Gao Fu deduced that the ** of the virus was in the Huanan Seafood Market, and all the patients were related to the Huanan Seafood Market at the earliest, and then jumped from animals to humans, with adaptive mutations, and then there was a limited amountHuman-to-human transmission.

It's a seafood market owner, and then the main roots are from bats.

They eat wild animals. Peacocks also use the blood of pangolins to eat rice, and the state-protected animals do not let go of any of them. Eat what should be eaten, and eat what shouldn't be eaten.

The new coronavirus belongs to the living thing".Viruses"Creatures.

A virus is a small, simple non-cellular organism that contains only one nucleic acid (DNA or RNA) and must parasitize and replicate in living cells.

A virus is a non-cellular life form, it is composed of a long nucleic acid chain and a protein coat, and the virus has no metabolic mechanism of its own, no enzyme system. As a result, when the virus leaves the host cell, it becomes a chemical substance that has no life activity and cannot reproduce on its own. Its ability to replicate, transcribe, and translate is carried out in the host cell, and when it enters the host cell, it can use the material and energy in the cell to complete life activities, and produce a new generation of viruses like it according to the genetic information contained in its own nucleic acids.

For this reason, viruses are sometimes referred to as "viruses".Molecular Biologyto distinguish viral organisms from "cellular organisms".

The novel coronavirus (COVID-19) belongs to the large family of coronaviruses, which is an enveloped RNA virus with a linear single-stranded positive genome.

How are viruses classified and which one is the new coronavirus?

The prevailing view is that viruses are not living organisms. Cells are the basic structure of living things. Coronaviruses, on the other hand, do not have a cellular structure and cannot carry out life activities independently.

Coronaviruses are a large group of viruses that are known to cause illness in patients with clinical symptoms ranging from the common cold to severe pulmonary infections, such as Middle East Respiratory Syndrome (MERS) and SARS. The new coronavirus discovered in Wuhan this time is a new type of coronavirus that has not been buried in humans before.

What is the new stool type coronavirus? Xianghe pats to find out.

What is the novel coronavirus? Find out.