For a few months now, people around the world have been dealing with a topic that is very topical today. Many people are wondering what will happen next, as the corona virus has already been declared a pandemic. The coronavirus can affect all people, from children to senior citizens. However, there are risk groups where the disease can take a more serious course. The number of people affected is constantly increasing. This poses a challenge for many researchers who are working on developing a vaccine or medication to combat the massive spread of the infection. In this book you will find all the important information you need to know about this topic, which ranges from the symptoms to the common treatment methods. Furthermore, the positive and negative effects of the corona crisis are discussed.