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.
Arbor Day. Arbor Day (or Arbour; from the Latin arbor, meaning tree) is a holiday in which individuals and groups are encouraged to plant trees. Today, many countries observe such a holiday. Though usually observed in the spring, the date varies, depending on climate and suitable planting season.