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Virulent Systemic Feline Calicivirus

Reynolds BS, Poulet H, Pingret JL et al: A nosocomial outbreak of feline calicivirus associated virulent systemic disease in France, J Feline Med Surg 11:633, 2009.

This paper documents an outbreak of virulent systemic (VS) feline calicivirus (FCV) at a veterinary teaching hospital in France. The initial case was referred to the hospital, presenting with severe depression, fever, facial and limb edema, crusting, mucopurulent nasal discharge, oral ulceration and dyspnea. Within 10 days, 2 cats (one owned by a veterinary student and one that had visited the hospital 3 days previous) presented with similar disease symptoms. These 3 cats all died or were euthanized without a confirmed diagnosis. The fourth case presented 3 days after a visit to the hospital, and FCV was confirmed. At that point, the possibility of hospital-acquired infection was assessed, and 3 additional hospitalized cats were found to be infected. The hospital was then closed to cats for 19 days and disinfected. An eighth cat owned by a veterinary student who was working in the hospital during this period also contracted the virus and was hospitalized at a private clinic. Of the 8 affected cats, 3 died, 2 were euthanized, and 2 recovered. As indicated, 2 cases never in the affected hospital occurred in cats infected by their owners (veterinary students present at the hospital). The virus from this outbreak was characterized, and found to be the same in all cases. This outbreak illustrates the highly contagious nature of this virus. [MK]
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Related Articles:
Radford AD, Addie D, Belak S et al: Feline calicivirus infection. ABCD guidelines on prevention and management, J Feline Med Surg 11:556, 2009.

Radford AD, Coyne KP, Dawson S et al: Feline calicivirus, Vet Res 38:319, 2007.
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