Feline upper respiratory infections are killers. The Association of Shelter Veterinarians list it as the number one health issue in shelters, where stress and close quarters provide the perfect conditions for both exposure and illness. Can shelters really beat URI? Can outbreaks be prevented, or once started, stopped?
Widely acknowledged as the country’s leading expert on feline URI in shelters, Dr. Kate Hurley, Director of the Koret Shelter Medicine Program at the UC Davis School of Veterinary Medicine, says that yes, outbreaks can be prevented and stopped.
Calicivirus
Herpesvirus
Bordetella
Mycoplasma
Chlamydia
Calicivirus and herpesvirus contribute about equally
Fomite transmission, e.g., on contaminated hands and clothing.
Droplet spread over distances of less than 5 feet.
Aerosol transmission over distances of greater than 5 feet.
A and B are both significant means of transmission.
A, B, and C are all significant means of transmission
Stress makes all cats more susceptible to infection, but does not specifically increase reactivation of any pathogens associated with feline URI.
Stress makes all cats more susceptible to infection, and specifically increases reactivation of feline calicivirus.
Stress makes all cats more susceptible to infection, and specifically increases reactivation of feline herpesvirus.
Stress makes all cats more susceptible to infection, and specifically increases reactivation of both feline herpesvirus and feline calicivirus.
Do not place this cat for adoption, as she poses too great a risk for transmission of serious illness to others, even if kept as an only cat.
Place this cat for adoption only into a home with no other cats.
Place this cat for adoption with no particular restriction, as she does not pose a greater risk than other cats from a multi-cat background such as a shelter or pet store.
Enrofloxacin
Doxycycline
Clavamox (amoxicillin-clavulanic acid)
Gentamycin
Calicivirus
Herpesvirus
Mycoplasma
Chlamydia
All of the above
Two studies have documented the benefit of lysine to prevent URI and it is therefore recommended for all cats starting at intake.
Studies have provided mixed results with some showing a benefit and some showing no effect, and it is therefore recommended only for high risk cats such as kittens and nursing mothers.
Two studies have failed to show any benefit of lysine as a preventive measure for feline URI in shelters, and one study found more severe symptoms in cats pretreated with lysine if they did get URI, therefore it is not recommended.
Calicivirus
Herpesvirus
Chlamydia
None of the above
Lack of vaccination on intake.
Poor disinfection practices.
Increasing length of time in shelter.
Failure to provide a hiding place.
Spot cleaning of “stray holding” cages.
Intranasal vaccination on intake.
Provision of a hiding place for all cats in “stray holding.”
Floor space of > 9 square feet in “stray holding” cages.
All of the above
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