Feline calicivirus ( FCV ) is a small non - enveloped virus
FCV is a highly infectious pathogen of cats
Feline calicivirus ( FCV ) is a small non - enveloped virus containing a single - stranded , positive - sense RNA genome of approximately 7.7 kb .
FCV is a highly infectious pathogen of cats and typically causes moderate , self - limiting acute oral and upper respiratory tract diseases or chronic oral diseases .