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Crystal Springs Pet Hospital, Inc
Pet disease risks:
Leptospirosis: There is currently an outbreak of Leptospirosis causing death in sea lions on the pacific coast. This disease is contagious to both people and dogs. Please keep your dog on leash and stay 50 feet from any dead or dying sea lions. Leptospirosis causes kidney failure in dogs. Your dog may appear very sick with symptoms that include vomiting and diarrhea. We do carry a vaccination if you frequently walk your dog at the beach.
Heartworms: Dogs need to be on heartworm prevention if they travel to heartworm areas or if they deficate (roundworms) in an area where children play (zoonotic risk). The heartworm carrying mosquito is prevalent in the Sierra Foothills and the Santa Cruz Mountains including Woodside and Portola Valley. When you travel to different areas call the local veterinarian of that area and ask them if they have heartworms in their area
Rattlesnakes: Rattlesnakes can be found in many parts the Bay Area. If you frequent an area where rattlesnakes are found we do carry a vaccine that will lessen the effect of a bite.
If your dog has been bitten by a rattlesnake you must take your dog to an emergency clinic IMMEDIATELY (whether vaccinated or not)
Northern Peninsula Veterinary Emergency Clinic at 227North Amphlett Blvd in San Mateo is one of only a few emergency clinics that carries rattlesnake antivenom. They can be
contacted at (650)- 348-2575 for directions see our Emergencies after hours page.
Canine influenza Please read the following articles from VeterinaryPartner.com regarding the recent outbreak of canine influenza in Chicago.
NOTE: We do NOT believe that Canine Influenza is prevalent in our area.
The Pet Health Care Library
The spring 2015 Chicago-based outbreak of canine influenza is a strain called H3N2, whereas this article is about a milder strain called H3N8. The vaccinefor H3N8 is not thought to be effective against H3N2, which can cause amore severe case of influenza.
In the last weeks of September 2005 and continuing into October,numerous warnings to dog owners about a new lethal canine disease sweptthe Internet. Some of these warnings contained legitimate informationwhile others contained half-truths or information that is simply wrong.We would like to take this time to sort out the facts from the theoriesfrom the misinformation. Here is what we hope is a helpful FAQ regarding this relatively new virus that has come to be considered part of thekennel cough (recently renamed CIRD for canine infectious respiratorydisease) complex.
What is Canine Influenza?
The influenza virus has on its surface an assortment of proteins that determine its strain, or subtype, and it is against these surfaceproteins that our bodies mount an immune response. Of particular noteare the hemaglutinin proteins and neuramindase proteins for whichspecific strains of influenza viruses are named. In 2009, there was ahuman epidemic of H1N1 virus. The canine influenza virus is H3N8. Ashuman influenzas emerge, these terms may be in the news and it is ofinterest to know what they refer to. If a viral strain mutates andsufficiently changes its surface proteins, a new strain is created. Anew strain is one where the susceptible population has no immunity andinfection can spread rapidly.
Molecular studies indicate that canine influenza represents amutation from the equine influenza virus. Canine influenza was firstconfirmed in a racing greyhound in 2004 and was largely a concern of the racing greyhound industry, particularly in Florida.
Starting in April 2005, the canine influenza virus has been seen inthe pet populations of many states outside of Florida, hence the recentbarrage of email, news reports etc.
What Happens to the Sick Dogs?
Infection rate is high but (depending on which report one reads)20-50% will simply make antibodies and clear the infection without anysigns of illness at all.
The other 50-80% will get symptoms of the flu: they will have fevers, listlessness, coughing, and a snotty nose. Most dogs will recover withsupportive treatment (antibiotics, perhaps nebulization/humidification,etc.). A small percentage of dogs will get pneumonia. These dogs are the ones at risk for death, and support becomes more aggressive:hospitalization, intravenous fluid therapy etc. Most of these dogs willrecover as well, as long as they receive proper care. Mortality rate is5-8%.
The incubation period is 2-5 days and the course of infection lasts2-4 weeks. Because this is an emerging disease, few dogs will haveimmunity to it unless they have received one of the new vaccines. Thismeans that any dog unvaccinated for influenza is a candidate forinfection.
How is the Disease Transmitted?
Dogs that are infected will shed virus in body secretions whether ornot they appear to be sick. Virus transmission can occur from directcontact with an infected dog or with its secretions. Kennel workers have been known to bring the virus home accidentally to their own pets. Thevirus persists on toys, bowls, collars, leashes etc. for several days.Infected animals should be considered contagious for 14 days.
How are Sick Dogs Treated?
High fevers are treated with anti-pyretic medications or cool waterbaths, but generally antibiotics to control secondary infections are all that is needed. Pneumonia results from secondary bacterial infections(i.e. bacteria invading the lung after the virus has damaged the tissueand compromised its ability to defend itself). Pneumonia in the dog isvirtually always secondary in this way (meaning that an initialcondition damages the lung allowing bacterial invaders to settle in) and treatment is similar regardless of the cause.
One treatment that might be different in this disease vs. otherpneumonias or respiratory disease is oseltamivir (Tamiflu®). This is anantiviral medication used in treating human influenza and is helpfulonly if used early in the course of infection or in prevention ofinfection in exposed dogs.
Can Dogs get Reinfected?
After a dog has recovered from canine influenza, immunity appears to last at least 2 years.
How are Dogs Tested for Canine Influenza?
In a perfect world there would be a simple test that could be performed on a single sample and yield unequivocal results.
There are two main ways to confirm canine influenza inion.
Negative test results are not felt to rule out a diagnosis of canine influenza infection.
Does Vaccination against Kennel Cough (Bordetella) or Parainfluenza Offer any Protection against Canine Influenza?
No. These are all completely different infections; however, there are two canine influenza vaccines that have recently become available (onefrom Merck Animal Health and the other from Zoetis). Vaccination isrecommended for dogs that board frequently, attend group trainingclasses or events with other dogs, play regularly at the dog park ordoggie daycare, or who go to the groomer consistently. If you think your dog is at risk, talk to your veterinarian about vaccination.
Why don't Dogs Need a Different Flu Shot each year like People do?
One of the defining characteristics of the influenza viruses is their ability to mutate. Influenza viruses not only have a high capacity tomutate but different strains can combine into a completely new strainwithin an individual who is infected with two different strains at thesame time. Mutation can create enough genetic change within a strain tomake the vaccine less effective. This phenomenon is called antigenicdrift and, in people, would mean that last year's flu vaccine mightafford some protection the following year and it might not. If a wholenew strain is created, then the a whole new vaccine is needed and therewill be no protection from previous immunization. A great deal ofresearch goes into predicting the strain that will hit North America inevery fall.
The dog situation is a bit different. Canine influenza is not nearlyas common an infection in dogs as human influenza is among humans. Themore infected individuals there are, the more mutation is happening. The relatively low incidence of canine influenza means less mutation(antigenic drift), minimal potential for concurrent infection withmultiple strains (antigenic shift) and, best of all, the availablevaccines will not require modification for a long time.
Can People get Infected?
People cannot get infected by this virus. Influenza viruses arespecific for their host species and require a dramatic mutation in order to jump species. You should not be concerned about getting an influenza infection from a dog, horse, or any other species other than a fellowhuman being.
Merck Animal Health has information on the canine influenza vaccine, H3N8.
Authored by: Dr. Mark Rishniw, ACVIM
VP Client Information Sheets
What is canine influenza?
When did the current U.S. outbreak of H3N2 start?
What strain of influenza caused this outbreak?
Will the commercially available canine influenza vaccines protect against the strain involved in the current outbreak?
If your dog in the affected areas has respiratory signs, such ascoughing, hacking, gagging or difficulty breathing, call yourveterinarian before your appointment to let them know your dog hasrespiratory signs so that they can take appropriate precautions tominimize the possibility of contamining the facility. When you get tothe clinic, leave your dog in the car and have the veterinary team meetyou at the car so they can figure out how to best handle the dog.
What are signs of infection?
How is canine influenza diagnosed?
How are the dogs treated?
Copyright 2015 - 2015 by the Veterinary Information Network, Inc. All rights reserved.
Copyright 2014 - 2015 by the Veterinary Information Network, Inc. All rights reserved.