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.
1 Unvaccinated adult dogs receive two rounds of vaccinations about three weeks apart. 2  After that, dogs usually receive boosters annually. 3  The basic shots -- for distemper, hepatitis, parvovirus, parainfluenza and sometimes leptospirosis and coronavirus -- usually are administered together in a combination vaccine.hopping for dog vaccination: 1  Most humane societies and shelters include the first rounds of vaccinations in the adoption fee. 2  Tip: It is possible to order vaccines online and vaccinate the dog yourself, but be sure you order from a reliable company. 3  DrsFosterSmith.com has a guide on how to vaccinate a pet.