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Companion Animal Practice
Feline infectious upper respiratory tract disease - an update
  1. Susan Dawson

    Susan Dawson graduated from Glasgow in 1983. She is a lecturer in the department of veterinary clinical science and animal husbandry at Liverpool and holds a PhD for studies on feline calicivirus.

  2. Kim Willoughby

    Kim Willoughby graduated from Glasgow in 1982. She is currently a Cats' Protection lecturer in feline medicine at the University of Liverpool. She holds a PhD for studies on feline herpesvirus infection. Her major interests are feline infectious diseases and feline internal medicine.


DESPITE the widespread availability of 'cat flu' vaccines, feline upper respiratory tract disease remains a problem, especially in multicat environments. Although rarely fatal, infectious respiratory disease can leave cats with chronic signs. Cats can remain infectious to other cats for much longer than the period of acute infection - in some cases, for life. This, coupled with the inability of the current virus vaccines to protect against infection (as opposed to disease), poses problems for disease control.

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