Developer's DescriptionBy Cute Kitty AppsCoronaviruses are types of viruses that typically affect the respiratory tract of mammals, including humans.Coronaviruses are types of viruses that typically affect the respiratory tract of mammals, including humans. They are associated with the common cold, pneumonia, and severe acute respiratory syndrome (SARS) and can also affect the gut. ... SARS spread from China to cause infection in 37 countries, killing 774 people