After Alaska suffers from parvovirus, if treated promptly, the survival rate can reach more than 50%. However, it still depends on the puppy's own resistance and the course of the disease. Generally speaking, parvovirus can be divided into hemorrhagic enteritis type and acute myocarditis type. Symptoms of hemorrhagic enteritis are mostly seen in puppies 2-3 months old, with a mortality rate of 10-50%, while symptoms of acute myocarditis are mostly seen in dogs 4-6 months old, with a mortality rate of up to 10%. More than 60%.