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.
The only other choice is prevention through the use of the vaccine (Mayo, 2002). The smallpox vaccine is a live vaccine, derived from the vaccinia virus. The vaccine does not contain or cause a variola infection.It provides an individual with immunity for 3 to 5 years, which decreases from after that period of time. The vaccine has provided protection to 95% of the vaccinated individuals.n infection of the variola virus starts out with flu-like symptoms, then rashes and scabs form throughout  similar to chickenpox, eventually in fatal cases, leading to malignant diseases such as intravascular coagulation, hypotention, cardiovascular collapse or bleeding of skin and intestinal tract (IOM, 1999).