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.
Hepatitis B Vaccine The hepatitis B virus was discovered in 1965, and by 1970 diagnostic tests were available for routine screening of blood donors to prevent this type of transfusion-transmitted hepatitis.epatitis B Vaccine The hepatitis B virus was discovered in 1965, and by 1970 diagnostic tests were available for routine screening of blood donors to prevent this type of transfusion-transmitted hepatitis.