No new cases have come up since, though there have been many calls from concerned pet owners, Hawkins said. State pathologists have sent samples taken from the ill and dead dogs to a lab at the University of California-Davis to test them for circovirus. A one-year-old beagle with circovirus died in California in the spring, and the school's lab has the equipment to test for the virus, which had not previously been diagnosed in dogs but is common in pigs.
Melanie Butera, a veterinarian at Elm Ridge Animal Hospital in Canal Fulton, treated all four of the Akron-area dogs, who were extremely ill with very similar symptoms, she said. The two worst cases came in collapsed and weak, with high heart rates and fluid around their lungs. One of the dogs died. All were around 3 or 4 years old, and none of the owners knew each other or spent time together. One of the dogs, who survived the illness, was leaking fluid from his gums.
The statewide concern began around Aug. Four dogs there were sickened with similar symptoms, and three died. The facility shut down temporarily and replaced its flooring and some equipment as a precaution. For this reason, the World Health Organization global surveillance system has led to detection of human infections by novel influenza A viruses of animal-origin such as avian or swine influenza A viruses , but to date, no human infections with canine influenza A viruses have been identified.
Canine influenza H3N8 viruses originated in horses, spread to dogs, and can now spread between dogs. H3N8 equine influenza horse flu viruses have been known to exist in horses for more than 40 years. In , cases of an unknown respiratory illness in dogs initially greyhounds were reported in the United States.
An investigation showed that this respiratory illness was caused by equine influenza A H3N8 viruses. Scientists believe this virus jumped species from horses to dogs and has adapted to cause illness in dogs and spread among dogs, especially those housed in kennels and shelters. This is now considered a dog-specific, or canine, H3N8 virus. It has now been detected in dogs across much of the United States.
Canine influenza H3N2 viruses originated in birds, spread to dogs, and can now spread between dogs. Transmission of H3N2 canine influenza viruses to cats from infected dogs has been reported also. Canine influenza A H3N2 viruses were first detected in dogs in South Korea in , and also have been reported in dogs in China, Thailand, and Canada.
H3N2 canine influenza viruses were first detected in the United States in April , and has now been found in more than 30 states. To date, the H3N2 canine viruses reported in the U. Additionally, at this time there is no evidence that canine influenza affects humans nor that it has pandemic potential. CDC regulations require that dogs be healthy to enter the United States, thus dogs may be denied entry or further evaluated if they look like they are sick with a communicable disease such as canine influenza.
Multiple agencies may have regulatory authority over pets such as dogs and cats when they enter the United States. CDC works closely with other federal agencies to protect U. Current CDC influenza virus regulations apply only to viruses with pandemic potential in people.
However, CDC is doing a number of things to be prepared in the unlikely event that canine influenza becomes a threat to humans or to animals other than canines. First, CDC continues to conduct year-round surveillance for seasonal and novel influenza A viruses and all human infections with novel influenza A viruses are fully investigated. Human infection with a novel influenza A virus of animal origin is reportable to CDC; no human infections with canine influenza viruses have been reported to date.
These same protocols would be followed in the event of an outbreak of canine influenza with suspected human infections. The signs of this illness in dogs are cough, runny nose, fever, lethargy, eye discharge, and reduced appetite, but not all dogs will show signs of illness. The severity of illness associated with canine flu in dogs can range from no signs to severe illness resulting in pneumonia and sometimes death. Most dogs recover within 2 to 3 weeks.
However, some dogs may develop secondary bacterial infections which may lead to more severe illness and pneumonia. Skip to content. Get News In Your Inbox. Podcast: How We Got Here. Vaccine in Virginia. Your Money with Carlson Financial. Election Results. First Alert Weather Blog. Dress For The Weather. On Your Side.
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