Here's why:
* Parvovirus creates strong immunity: Once a dog recovers from parvovirus, it usually develops lifelong immunity. Their immune system remembers the virus and is ready to fight it off if exposed again.
* Vaccination: Even if a dog wasn't fully vaccinated before getting parvo, the illness itself can provide significant immunity. This means that even if they are exposed again, they're unlikely to get sick.
However, there are some exceptions:
* Compromised immune system: Dogs with weakened immune systems (due to illness, age, or medication) may be more susceptible to reinfection.
* Very young puppies: Puppies who were vaccinated too early or whose immunity waned may be at risk of getting parvo again.
* Rare strains: In rare cases, there might be different strains of parvovirus that a dog hasn't been exposed to before.
If you suspect your dog might be sick again, even if they've had parvo before, it's crucial to contact your veterinarian immediately. Early diagnosis and treatment are crucial for a good outcome.
Prevention is key:
* Vaccination: Keep your dog up to date on their parvovirus vaccinations.
* Strict hygiene: Wash your hands thoroughly after handling your dog, especially if they've been in areas where other dogs might have been.
* Avoid contact with sick dogs: Keep your dog away from dogs showing signs of illness.
Important Note: I am not a veterinarian. This information is for general knowledge purposes only. Always consult your vet for any health concerns regarding your dog.