For confirmed 2019-nCoV infections, reported illnesses have ranged from infected people with little to no symptoms to people being severely ill and dying. Symptoms can include: Fever, Cough, Shortness of breath. Symptoms may appear in as few as 2 days or as long as 14 days after exposure.
When person-to-person spread has occurred with MERS and SARS, it is thought to have happened mainly via respiratory droplets produced when an infected person coughs or sneezes, similar to how influenza and other respiratory pathogens spread. Spread of SARS and MERS between people has generally occurred between close contacts.
Prevention & Treatment
There is currently no vaccine to prevent 2019-nCoV infection. The best way to prevent infection is to avoid being exposed to this virus. However, as a reminder, CDC always recommends everyday preventive actions to help prevent the spread of respiratory viruses, including: Washing hands, avoid touching eyes, stay at home if sick, cover coughs and sneezes.