Solar power is energy from the sun that is converted into thermal or electrical energy. Solar energy is the cleanest and most abundant renewable energy source available, and the U.S. has some of the richest solar resources in the world.olar power is energy from the sun that is converted into thermal or electrical energy. Solar energy is the cleanest and most abundant renewable energy source available, and the U.S. has some of the richest solar resources in the world.
Hepatitis B can be prevented with a safe and effective vaccine that has been available since 1982. In Australia, the hepatitis B vaccination program commenced in 1988, targeting groups at particularly high risk of infection.
Later in 1968, Prince and. of the Dane particle in 1970, the first vaccine for hepatitis B was produced in 1981 and licensed as Heptavax.. in 1984 showed successful results, with reported decreases in annual incidence of hepatocellular carcinoma. in children.