Coronavirus
Coronaviruses are a type of common virus found in different animals. There are many different kinds of coronaviruses, some causing colds and mild respiratory illnesses while others can cause more serious illness including severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS) and Coronovirus Disease 2019 (COVID-19).
Coronaviruses are named for their appearance: Under the microscope, the viruses look like they are covered with pointed structures that surround them like a corona, or crown.