Typically, 2019-nCoV spreads from person to person 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.
Dr. Nguyen Xuan Hung – Director of Share99 Institute for Applied Research and Regenerative Medicine (VIASRM) translates and synthesizes from sources: CDC, WHO, ECDC.
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