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.
And pet vaccinations, like those for humans, may sometimes require a booster to keep them effective. The best way to stay on schedule with vaccinations for your dog or cat is to follow the recommendations of a veterinarian you trust.Chances are your vet's suggestions will break down into two categories: core pet vaccines and non-core vaccines.nd pet vaccinations, like those for humans, may sometimes require a booster to keep them effective. The best way to stay on schedule with vaccinations for your dog or cat is to follow the recommendations of a veterinarian you trust.