9. ORIGIN, SYMPTOMS, TRANSMISSION AND PRECAUTIONARY CONTROL OF PANDEMIC CORONAVIRUS DISEASE (COVID-19): A MINI REVIEW
In the mid of December 2019, a novel human coronavirus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was discovered in Wuhan, Hubei Province of China. On February 12, 2020, WHO named the disease caused by the novel coronavirus as Coronavirus Disease 2019 (COVID-19). Corona viruses are a group of viruses that can cause illnesses from common cold to severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS) or pneumonia like symptoms. Mode of transmission from one body to another remains frequent and includes coughing, shaking hands, touching contaminated surfaces and getting in contact with infected pets/animals. It generates symptoms from common cold to pneumonia like symptoms. Persons with existing medical conditions worsen condition by serious illness. As there is no vaccine or approved treatment therefore by applying precautionary measures, we can forbid us from the risk of getting infected.