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 Virus Vaccine. 1  Brand Name: Kinrix. 2  What itâs for: Prevents diphtheria, tetanus, pertussis, and polio in children 4 through 6 years of age (prior to 7th birthday). 3  Common side effects: Similar to those vaccines described previously for the prevention of diphtheria, tetanus, pertussis, and polio.