Overview
Vaccines are a vital tool in preventing infectious diseases and protecting public health. They work by stimulating the immune system to recognize and fight specific pathogens, thereby reducing the incidence of diseases. The development of vaccines involves rigorous testing through clinical trials to...
Key Terms
Example: The flu vaccine helps prevent influenza.
Example: The measles vaccine has an efficacy of about 97%.
Example: Mild fever can be an adverse effect of vaccination.
Example: Phase III clinical trials involve thousands of participants.
Example: Herd immunity helps protect infants who cannot be vaccinated.
Example: Immunization against polio has nearly eradicated the disease.