From Middle English, from Old English efen, efn, emn â(â even, equal, like, level, just, impartial, true â), from Proto-Germanic *ebnaz â(â flat, level, even; equal, straight â), from Proto-Indo-European *(hâ)emno- â(â equal, straight; flat, level, even â).
1 Puppies can receive the injectable vaccine starting at 6 to 8 weeks of age, followed by a booster between 10 and 12 weeks of age. 2  For adult dogs or puppies older than 16 weeks, the intranasal vaccine can be given once, and the injectable vaccine should be given twice, two to four weeks apart. Kittens can be vaccinated intranasally as early as 8 weeks of age. 2  Puppies can receive the injectable vaccine starting at 6 to 8 weeks of age, followed by a booster between 10 and 12 weeks of age.
Vaccination is the best defense against parvovirus. Your vet will recommend a course of vaccinations suitable for your dog. In puppies the first vaccine is typically given at about 6-8 weeks of age, and repeated every 4 weeks until 16-20 weeks of age, with yearly vaccines thereafter.isk Factors. Dogs of any age can get parvo, depending on their vaccination history, but some dogs are more susceptible than others: 1  Puppies 6-20 weeks old are most susceptible (it takes some time for the vaccination series to become fully protective).