[Q&A virus Corona 2019] Part 1: Origin and form of infection

The article was translated and synthesized by Dr. Nguyen Xuan Hung Director of Share99 Institute for Applied Research and Regenerative Medicine (VIASRM) and consulted professionally with Dr. Tran Thi Phuong Thuy – General Internal Medicine Department – Share99 Times City International Health Hub

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The new Coronavirus in 2019 (2019 nCoV) is a new strain of respiratory virus that has never appeared in humans and is currently causing epidemics in Wuhan, China. Here is the necessary information about 2019-nCoV to help you actively protect yourself and your family.

For full information about coronavirus 2019, you can refer to the sections of the document including:

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1. What is corona virus?

Corona is a large family of viruses, in which some strains are capable of causing disease when infecting from animal to human, others only infect and exist in animals including camels, cats and bats. Sometimes animal corona viruses evolution to spread to humans and then spread from person to person as is the case of Middle East Respiratory Syndrome (MERS) and severe acute respiratory syndrome (SARS). Currently, the coronavirus outbreak in Wuhan (2019-nCoV) is a new strain that has never appeared in humans and is capable of spreading from person to person.

2. What is coronavirus 2019?

The new Coronavirus in 2019 (2019 nCoV) is a new strain of respiratory virus that has never appeared in humans and is currently causing epidemics in Wuhan, China.

New Coronavirus Images 2019 (2019-nCoV)
Photos 2019 – nCoV

3. What is the source of infection 2019-nCoV?

The origin of the 2019-nCoV strain is unknown. The study of the viral genome explained that the virus has a 96.3% similarity to the coronavirus strain from bats, so it is highly likely that this is a strain of the virus from bats that is mutat and then infects humans. Currently, the medical community has confirmed that 2019-nCoV is capable of spreading from person to person.

How influenza spreads, the path of influenza
2019-nCoV spreads from person to person mainly by droplets

4. Is nasal 2015 contagious? How is it spread?

Most often, human-to-human spread occurs through close contact (about 2 m) with the sick person. Human-to-human transmission is now believed to be mostly by droplets when an infected person coughs or sneezes, similar to influenza and other respiratory pathogens. Droplets may fall into the mouths or noses of people who are nearby or inhaled into the lungs. It is unclear if a person may have 2019-nCoV infection by touching a surface or viral object and then touching their mouth, nose, or eyes. Usually, with most respiratoryly transmitted viruses, the most contagious person is the person who is in the condition with the highest symptoms (the most serious disease). However, with 2019-nCoV, there have been cases of transmission due to close contact with patients infected with the virus without symptoms.

It should be noted that the ability to spread from person to person of different viruses is different. Some viruses are highly contagious (such as measles), while others are harder to spread. Since 2019-nCoV is a new virus that has never appeared in humans, their virality, severity and other characteristics are still being studied. We will update as soon as we have this information via Share99’s website and fanpage.

5. Is 2019-nCoV the same as the virus that causes MERS and SARS?

Not. 2019-nCoV is a large family of viruses, only some are capable of causing disease in humans, the rest exist only in animals, such as camels, cats and bats. 2019-nCoV is not the strain that has caused MERS (derived from camels) and SARS (derived from civets). However, genetic research suggests that 2019-nCoV may have progressed from a strain of the virus associated with the virus that causes SARS. Studies are still underway to find out the origin of 2019-nCoV.

Corona prevention
Some epidemic prevention measures

6. Is the risk of getting 2019-nCoV different in different people?

Often young children, the elderly, and those who are sick (e.g., hypertension, heart disease, diabetes, liver disease, and respiratory disease) are at greater risk of developing severe symptoms than others.

Source: CDC, WHO, ECDC

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SEE MORE:

  • [Q&A virus Corona 2019] Part 2: How to protect yourself from the epidemic?
  • [Q&A virus Corona 2019] Part 3: Instructions for caring for suspected people in 2019 nCoV at home
  • [Q&A virus Corona 2019] Part 4: How does 2019-nCoV spread? Is it possible to get infected from animals, pets?
  • Share99’s recommendations and hotline to receive customer advice on Corona virus epidemic 2019
  • Share99’s provisional regulations on restricting visitors to prevent corona virus epidemic 2019

SEE MORE:

  • List of provinces in Vietnam that already have COVID
  • Why can the virus spread, spread from person to person?
  • Chloroquine is still in place for the treatment of coronavirus-infected patients in the U.S.

About: Minh Quynh

b1ffdb54307529964874ff53a5c5de33?s=90&d=identicon&r=gI am the author of Share99.net. I had been working in Vinmec International General Hospital for over 10 years. I dedicate my passion on every post in this site.

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