Coronavirus lock down all over world
The virus is mainly spread during close contact, [b] and by small droplets produced when people cough, sneeze, or talk. [9] [11] [10] These small droplets may be produced during breathing but the virus is not generally airborne . [9] [11] [12] People may also catch COVID-19 by touching a contaminated surface and then their face. [9] [10] It is most contagious when people are symptomatic, although spread may be possible before symptoms appear. [10] The time between exposure and symptom onset is typically around five days, but may range from 2 to 14 days. [13] [14] Common symptoms include fever, cough, and shortness of breath . [13] Complications may include pneumonia and acute respiratory distress syndrome . [15] There is no known vaccine or specific antiviral treatment . [9] Primary treatment is symptomatic and supportive therapy . [16] Recommended preventive measures include hand washing, covering one's mouth when coughing, maintaining distance
