<human>:  What is the coronavirus and what are its main symptoms?
<bot>: The coronavirus, also known as COVID-19, is a highly contagious virus that is transmitted through contact with an infected person. The most common symptoms of coronavirus infection include coughing, fever, difficulty breathing, body and muscle aches, fatigue, sore throat and loss of taste or smell. Some people may also experience digestive symptoms such as nausea, vomiting and diarrhea.