What is the primary function of vaccines in the human body?

• To eliminate viruses from the environment

• To provide immediate relief from symptoms

• To cure diseases after infection

• To expose the body to a virus to build immunity

Who developed the first vaccine and for which disease?

• Louis Pasteur for rabies

• Jonas Salk for polio

• Edward Jenner for smallpox

• Alexander Fleming for penicillin

What was a significant achievement of the global vaccination campaign by the WHO?

• The eradication of malaria

• The eradication of smallpox

• The eradication of tuberculosis

• The eradication of measles

How did the global child mortality rate change due to vaccination efforts?

• It decreased by 59%

• It remained the same

• It increased by 59%

• It fluctuated without a clear trend

Why is it important to continue developing new vaccines?

• To increase pharmaceutical profits

• To prevent new outbreaks of diseases

• To reduce healthcare costs

• To replace old vaccines