Is a live pathogen introduced into the body in a vaccinations?

During a vaccination, the body is introduced with a weaker, asymptomatic form of a virus. This pathogen will not spread or cause any sickness because it is so weak but the body will learn and recognize in the future the same pathogen non the less. The body still learns to fight the pathogen even if it is weak like in the vaccine.

answer; (c); to assure that workers have the right to a safe workplace and that it is the employer's responsibility to provide safe and healthy workplace;