Table of Content Introduction Chapter 1: Coronavirus: Introduction and Origin Chapter 2: Disease caused by COVID-19 virus and its symptoms Chapter 3: What causes COVID-19 infection? Chapter 4: How is COVID-19 diagnosed? Chapter 5: COVID-19 Treatment Chapter 6: Sorting Out Symptoms of COVID-19, Influenza, Colds and Allergies Chapter 7: Protection against COVID-19 Chapter 8: How does COVID-19 spread? Chapter 9: Is there a vaccine or drug treatment for COVID-19? Chapter 10: Who is at the risk of developing serious illness from COVID-19?