Feline calicivirus (FCV) infection written by Catsplace 8:23 am Feline calicivirus (FCV) infection. Feline calicivirus (FCV) is a virus of the family Caliciviridae that causes disease in cats. Feline calicivirus (FCV) infection was last modified: September 26th, 2014 by Catsplace comments 0 comment 0 Facebook Twitter Google + Pinterest Catsplace