1. opacification-the process of becoming cloudy or opaque. natural action, natural process, action, activity-a process existing in or produced by nature (rather than by the intent of human beings); the action of natural forces; volcanic activity.Translations.. opacification-the process of becoming cloudy or opaque. natural action, natural process, action, activity-a process existing in or produced by nature (rather than by the intent of human beings); the action of natural forces; volcanic activity. Translations.
A booster is a repeat of a previous vaccine that the dog has already received. The goal of the booster is to boost the dogs immunity up to an effective level. Older dogs need boosters every 1-3 years because otherwise their immunity would start to drop.
At 12 and 15 weeks, a combination vaccine is given. After these puppy parvovirus vaccinations, the dog will receive a booster shot every year as an adult â or every 3 years depending on your vetâs vaccination preferences.he Lyme disease vaccination is usually only give to dogs in areas where Lyme disease is a concern. It is given at 12 and 15 weeks and again at 12 months. Booster shots can be given annually if recommended by your vet.