Coronaviruses that infect cats are called 'feline coronaviruses' or FCoV. In cats, FCoV most frequently causes gastrointestinal infections, but in unusual cases (with a mutated form of the virus) it can spread through the body and cause FIP.oronaviruses that infect cats are called 'feline coronaviruses' or FCoV. In cats, FCoV most frequently causes gastrointestinal infections, but in unusual cases (with a mutated form of the virus) it can spread through the body and cause FIP.
From Wikipedia, the free encyclopedia. Shone's syndrome (also called Shone's Complex, Shone's Anomaly and Shone's Syndrome)is a rare congenital heart disease described by Shone in 1963. In the complete form, four left-sided defects are present:1  Supravalvular mitral membrane (SVMM).s discussed earlier, Shoneâs syndrome is a rare disorder that is often detected in very young children. The children tend to show symptoms like fatigue, nocturnal cough, and reduced cardiac output by the age of two years.
Rett syndrome is a rare genetic disease that causes developmental and nervous system problems, mostly in girls. It's related to autism spectrum disorder. Babies with Rett syndrome seem to grow and develop normally at first. Between 3 months and 3 years of age, though, they stop developing and even lose some skills. Symptoms include.