Protection from this shingles vaccine lasts about 5 years, so adults vaccinated before they are 60 years old might not be protected later in life when the risk for shingles and its complications are greatest.
arbor vitae - Latin for tree of life : 1. A 17 th century literary euphemism for the penis . See penis for synonyms. 2. In anatomy, the branching ridges and folds within the cervix of the uterus.
perÂ·petÂ·uÂ·ate. tr.v. perÂ·petÂ·uÂ·atÂ·ed, perÂ·petÂ·uÂ·atÂ·ing, perÂ·petÂ·uÂ·ates. 1. To cause to continue indefinitely; make perpetual. 2. To prolong the existence of; cause to be remembered: The new library will perpetuate its founder's great love of learning.