The coronavirus is a family of viruses that can cause a range of illness in human including common cold and more severe form like SARS and MERS which are life-threating. The disease caused by the coronavirus is named Covid-19. Here “Co’ for Corona. (Vi” for virus. “D” for disease and ’19’ for the year 2019. It is completely an infectious disease. The disease was first identified in December 2019 in Wuhan, China and this has resulted in an ongoing pandemic. The common symptoms of covid-19 are fever, cough, fatigue, shortness of breath, and loss of smell and teste. Majority of the cases show mild symptoms. Some progress to acute respiratory distress syndrome. that may result in death. The virus is primarily spread among people during close contact of the infected people. the infected people produce small droplets by coughing, sneezing and talking. this droplets spread Covid-19 among others. There are now some several types of vaccines and antiviral treatments for Covid-19. Scientists are working hard to invent new medicines and vaccines for Covid-19. To prevent infection recommended measures are frequent hand washing, maintaining physical distance from others, quarantine for the people with symptoms, covering coughs and keeping unwashed hands away from the face. Scientists are working relentlessly for inventing vaccines for COVID-19 infections. As of April 2021, 16 vaccines are authorized for public use. It is hoped that the efficacy of Covid-19 vaccine will be 100% soon and the people of the world will get rid of coronavirus.