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.
How often they should get them, and how the shots should be given (singly or as combination vaccines). Although the AAHA and AVMA still recommend yearly boosters for all dogs. A lot of research shows that this is not strictly necessary-and can even cause health problems.f you've adopted an older pup or adult dog and don't know their puppy shots history, then the minimum vaccinations you'll need to get them are against Distemper, Parvo and Hepatitis. He/she will need two rounds of shots, given 3 weeks apart.