A gemstone is any rock or mineral that could be used for ornamentation or jewelry. Gemstones usually are minerals prized for their color, beauty, rarity, and endurance. Most often, the minerals are cut and polished to bring out the natural beauty of the piece.
The varicella vaccine is a live (attenuated) virus administered to protect against the viral disease commonly known as chickenpox caused by the varicella zoster virus (VZV).he varicella vaccine is marketed as Varivax in the U.S. by Merck and globally as Varilrix by GlaxoSmithKline.
Varicella vaccine prevents chickenpox. The vaccine is recommended for all healthy children, teens, and adults who have not had chickenpox. 1  Babies can receive the vaccine along with some other standard shots (immunizations) that are given at 12 to 15 months of age.aricella vaccine prevents chickenpox. The vaccine is recommended for all healthy children, teens, and adults who have not had chickenpox. 1  Babies can receive the vaccine along with some other standard shots (immunizations) that are given at 12 to 15 months of age.