What is New Coronavirus? (Covid-19) The new coronavirus disease (Covid-19) is a new viral respiratory disease that was first identified with high fever and shortness of breath in Wuhan, China, on January 13, 2020. It is known that the disease is transmitted by droplets and contact. It is defined as a pandemic due to the global epidemic it creates. The new coronavirus is a type of coronavirus family that can affect both animals and humans. In retrospect, some different viruses from the coronavirus family seem to cause severe respiratory diseases such as MERS (Middle East Respiratory Syndrome) and SARS (Severe Acute Respiratory Syndrome). Coronaviruses are named with the word corona, which means crown in Latin, because they are compared to a round crown with protrusions when viewed with an electron microscope. Coronaviruses have been seen in our society for years. The simplest and most common of these is the common cold. A group of 20 different types of viruses that cause upper respiratory tract infection along with a runny nose is coronavirus. Many other coronaviruses from the coronavirus family cause less severe illnesses with milder symptoms than the new coronavirus. For this reason, coronaviruses have not caused any panic when it comes to diseases such as colds. From time to time, coronaviruses can switch between humans and animals. The genetic information of viruses varies due to the mutation of their RNA. It escapes from the previously formed immune system, especially by clinging to the cell in surface proteins, creating changes in the proteins it uses to enter, and can multiply faster and cause much more damage to the cells. The virus, previously called SARS, has created a disease very similar to today’s new coronavirus. The name SARS was created using the initials of the English equivalent of severe acute respiratory syndrome. The second SARS virus analogy is also used for the coronavirus, which is on the agenda today.