Canine parvovirus is a highly contagious virus that affects dogs, particularly puppies and unvaccinated adults. This viral infection can lead to severe gastrointestinal illness, causing symptoms such as vomiting, diarrhea, lethargy, and dehydration. The impact of parvovirus on a dog’s health can be devastating, often leading to hospitalization and, in some cases, can even be fatal. The question of whether a dog can catch parvo twice is a topic of significant concern for pet owners, particularly those with young or unvaccinated dogs. Understanding the nature of parvovirus and its effects on canine health requires a thorough exploration of immunity, vaccination protocols, and the overall risks involved. While many pet owners…