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.
The second vaccination is given in three to four weeks, about age 11 to 12 weeks. A third vaccination is given in three to four more weeks, about age 14 to 15 weeks. A vaccination is sometimes given three to four weeks later, about age 17 to 18 weeks. Most all veterinarians agree the final vaccination in the series should be given after the puppy is 4 months old. Once the puppy series is complete, your dog should received a booster vaccination each year. Administration The vaccination for parvovirus is administered through an injection.