Covid-19 trivia: How does it spread?

What are the possible transmission routes of the new pneumonia coronavirus? There are mainly three:

1. Droplets spread in the air through coughing or sneezing;
2. Close contact with infected persons;
3. Touch the surface of the contaminated object, and then touch the mouth, nose or eyes with dirty hands.

So what are the symptoms after contracting the new coronavirus? There are mainly three:

1. Mainly manifested as fever, fatigue, dry cough, and rarely manifested as upper respiratory tract symptoms such as nasal congestion and runny nose;
2. About half of the patients developed dyspnea after one week. In severe cases, acute respiratory distress syndrome, septic shock, difficult to correct metabolic acidosis, and coagulopathy occur rapidly;
3. Some patients have mild onset symptoms but no fever, and usually recover after 1 week.