Studying Canine Influenza
The canine virus virus, most primitive identified surrounded by
2004, own be circulate in the greyhound population all for at
lowest possible five years prior to its uncovering and may have
been blameworthy for numerous upsurge of respiratory nausea among
dogs at race track during that irredeemable status, according to
research presented at the 2008 International Conference on climax
of Emerging Infectious Diseases in Atlanta, Georgia.
“We have demonstrated the virus be in the greyhound population
next to means of untimely as 1999 and we cross-question it was
sound initiate sometime past that,” utter Tara Anderson of the
University of Florida College of Veterinary Medicine, a frontage
examiner on the chamber.
Solberg, MD, Nancy Gordon, ScD, Debra Ritzwoller, PhD, K. Sabina
Smith, BS, Weiming Hu, MS, and Jane Zapka, ScD, arise in the
American Journal of Preventive Medicine, Volume 29, Number 2
(August 2005). The study was conduct underneath bequest from the
National Cancer Institute to the Cancer Research Network. The
author of this study are affiliated with the subsequent to
institution: — HealthPartners Research
Foundation, Minneapolis, MN — Kaiser Permanente Colorado,
Aurora, CO — Kaiser Permanente Northern California, Division of
Research, Oakland, CA — Kaiser Permanente Northwest, Center for
Health Research, Portland, OR — Kaiser Permanente Southern
California, Research & Evaluation Dept., Pasadena, CA –
Tobacco Research and Treatment Center, Massachusetts General
Hospital, Harvard Medical School, and Harvard Pilgrim Health
Care, Boston, MA — University of Massachusetts Medical School,
Worcester, Meyers Primary Care Institute, Fallon Healthcare
System, Worcester, MA
The first recognized outbreak of canine influenza in the world
was believed to have materialize in racing greyhounds in January
2004 at a track in Florida. From June to August of 2004,
outbreaks of respiratory disease be reported at 14 tracks in 6
state (Alabama, Arkansas, Florida, Kansas, Texas, and West
Virginia). Between January and May of 2005, outbreaks occurred at
20 tracks in 11 states (Arizona, Arkansas, Colorado, Florida,
Iowa, Kansas, Massachusetts, Rhode Island, Texas, West Virginia,
and Wisconsin). In June 2006, more outbreaks occurred at 3 tracks
in Florida. Infection has also been
confirmed in pet dogs in 25 states and Washington, DC. These
cases occurred in animal shelter, humane society, rescue group,
pet stores, piece of essay kennels, and veterinary clinic.
Anderson and her colleagues were an medley of up that an
assortment of respiratory outbreaks of unknown invade at
greyhound tracks prior to 2004 may plausibly be an affirmation
that the virus had been in the dog population quicker. They were
competent to acquire greyhound blood sample for the period 1999
to 2004 from Hemopet, an animal blood defender in California that
utilization retire greyhounds as donor. They tested these samples
for antibodies to both the canine influenza virus and the equine
influenza virus.
“For most dogs we had 2 to 3 years’ rate of samples, so we were
able to shadow wakeful with impending peas in a case dog from
year to year to see if it maintain antibody level,” says
Anderson.
This was a report on two discrete cases of chronic diarrhoea and
large weight loss
in a man and female at a hospital in Germany. The cause of their
syndrome was unknown when they were first of all admitted or
referred to the department. Their diarrhoea and weight loss was
afterwards allied to their incurable use of substantial amounts
of sugar unconstrained chewing gum, which contain sorbitol, a
sweetener that also have laxative property.
Only 1% of the 2002 samples tested positive. Interestingly, says
Anderson, in close proximity were no outbreaks that year, and
most of the sample dogs had not been on tracks during the
outbreaks in 1998 or 1999.
“Based on the serological demonstration, we conclude that
influenza A H3N8 virus was circulating in the racing greyhound
population as early as 1999. The seropositive dogs were sited at
tracks entangled in respiratory disease outbreaks of unknown
etiology, suggesting that influenza A H3N8 virus may have been
the causative agent of those outbreaks,” says Anderson.
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