The canine parvovirus (CPV) infection, also referred to as Parvo, is a highly contagious viral illness that affects dogs, particularly in puppies that are between six weeks and six months old.
Parvovirus is a highly contagious virus that attacks your dog and can lead to lifelong heart problems. Although parvovirus can be contracted throughout the year, spring is the most common season for outbreaks.
In the U.S., people tend to get infected with parvovirus B19 more often in late winter, spring, and early summer. Mini-outbreaks of parvovirus B19 infection occur about every 3 to 4 years. Since parvovirus B19 only infects humans, a person cannot get the virus from a dog or cat.
Initial signs that your dog may have contracted parvo are running a fever, lethargy, lack of appetite, and anorexia. These initial signs may progress and can result in vomiting and diarrhea within two days after showing their first symptom.
Puppies are vaccinated against parvo at approximately 6, 8, and 12 weeks of age. They are vulnerable to the disease until they have received all three shots in their vaccination series, which means owners need to take extra precaution during this time to prevent their puppies from contracting the virus.
If a puppy is exposed to canine parvovirus during this gap in protection, it may become ill. An additional concern is that immunity provided by a mother's milk may interfere with an effective response to vaccination. This means even vaccinated puppies may occasionally be infected by parvovirus and develop disease.
Receive vaccines
The top way to prevent parvo is to get your dog vaccinated. Puppies should get their first dose between six and eight weeks of age. They'll then need boosters every three weeks until they're 16 weeks old.
Parvovirus is highly contagious, meaning that it spreads very quickly amongst animals who are not vaccinated against it. The virus itself is contracted by coming into direct contact with an infected canine, or indirectly, such as by sniffing an infected dogs feces.
Your puppy will vomit and have diarrhea if canine parvovirus is present in their system. Vomit may be clear or a yellow or brown color, and diarrhea will often contain blood and be a light yellow or mustard colored hue.
Symptoms of Parvo
Your dog will not drink water nor eat, and very soon the pup will be stretched out and down on the ground, unable to get back up. They will become limp, weak, and unable to hold themselves up. Parvovirus, when left untreated, is often fatal. It requires veterinary oversight.
Parvovirus is found in any environment (lawns, homes, kennels, dog parks, etc.) and comes from infected dogs that excrete the virus in their vomit or feces. Puppies are more likely to get parvo because they are more likely investigate everything on the ground.
Parvo can be found in almost any environment. It is transmitted when a susceptible dog comes in contact with the virus. This includes contact with the feces of an infected dog, or objects that contain the virus (shoes, clothes, bedding, bowls, grass, carpets, floors, etc).
Certain breeds and types of dogs appear to have a higher risk of parvovirus infection or show more severe illness once infected. These include Rottweilers, Doberman Pinschers, Labrador Retrievers, German Shepherds, Bull Terrier breeds, and Alaskan sled dogs.
Studies have observed that if your Fido is not vaccinated, the chances of him getting parvovirus are very high, and the morbidity rate is 100%. The mortality rate of dogs with parvo is statistically 10% in adult dogs, and 91% in puppies (Appel et al.
Parvovirus Vaccine Schedule
Parvo is boostered one year after the last of the puppy series, then every three years after that to protect your adult dogs.
“Parvovirus is the world's most common canine infectious disease,” Hung explained. “This is a viral infection that is well-known for its contagiousness and severe damage to the intestines, particularly among puppies. It causes serious diarrhea at its best and life-threatening shock at its worst.”
Once a puppy has symptoms of parvo, if left untreated they can die within 48 - 72 hours. It can be simply diagnosed and survival is possible if treated soon enough.
A pet infected with parvovirus may develop a fever and behave lethargically, possibly refusing food within the first few days of infection. Within 24-48 hours, copious vomiting and diarrhea present, often containing blood in the later stages.
If possible, flush the yard with water and allow to dry. Then apply a disinfectant that is effective with organic material, such as AHP or potassium peroxymonosulfate. These can be used with a pesticide sprayer or hose-end sprayer at the proper dilution to saturate the outside area.
Even if your veterinarian does everything right, there is still a chance that your puppy won't survive parvo. The near-death signs of parvo include severe lethargy, continuous bloody diarrhea, anorexia, and bloody vomiting. You may not want to admit it to yourself, but this is the point of no return.
Treating Parvovirus in Dogs
There is no cure for Parvo in puppies, however, your vet will offer supportive treatments to address symptoms such as vomiting and diarrhea. It's critical that your pup gets enough hydration and nutrition to recover from Parvovirus.
Parvovirus B19 infects only humans. It most commonly causes fifth disease, a mild rash illness that usually affects children. But it can cause different signs and symptoms, depending on your age and overall health.
Parvo is a preventable disease, but even vaccinated dogs are not 100% protected from the virus.
Canine parvovirus (CPV-2), first recognized in 1978 as a new pathogen of dogs, was probably derived from a very closely related virus in cats, feline panleukopaenia virus (FPLV) or a closely related carnivore parvovirus (FPLV-like virus).