Corona is a virus that causes a respiratory illness called COVID-19. It is a novel virus that was first identified in Wuhan, China in late 2019. It is highly contagious and can spread through contact with an infected person, through droplets from coughing or sneezing, and through contact with contaminated surfaces. Symptoms of COVID-19 include fever, cough, shortness of breath, and difficulty breathing. Treatment includes rest, fluids, and medications to reduce fever and relieve symptoms. Prevention measures include social distancing, wearing a face mask, washing hands often, and avoiding contact with people who are sick.