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.
According to Vetinfo, the DHLPP vaccine is a vaccine that protects a dog from distemper, hepatitis, leptospirosis, parvovirus and parainfluenza. The first vaccine can be administered to puppies as young as 6 weeks old and several boosters will be given for the several months after the initial injection, as well as a yearly booster. Continue Reading.