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 has a relatively stable viral genome so there isnât a lot of variability in the sequence of glycoprotein E, which makes the vaccine effective even though it isnât sensitizing the immune system to the entire virus. Full disclosure: The GSK Shingrix marketing team is a client