Because herpes and
calicivirus together account for 90 % of upper respiratory infections and Chlamydophila accounts for less than 10 % of upper respiratory infections, the American Association of Feline Practitioner vaccination guidelines favor the «three in one» vaccine and consider the Chlamydophila vaccine optional.
Not exact matches
Vaccines for feline herpes virus (FHV - 1) and feline
calicivirus (FCV) are always combined, as these two viruses
together are the main causes of upper respiratory tract infections in cats (cat flu).
The most commonly used vaccine against panleukopenia, herpesvirus and
calicivirus is a multivalent vaccine: it contains viral antigens for several diseases
together in the same dose, and is commonly abbreviated as the «FVRCP» vaccine.
A severe form called Virulent Systemic geline
Calicivirus (VS - FCV) has been found in shelters or in environments where many cats are housed
together.