Why vaccines work in the fight against measles and other infectious diseases

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It is often said that vaccines are only second to clean drinking water in terms of public health impact. In recent years, misinformation about vaccines, especially childhood vaccinations, has spread and left many with questions about their efficacy and necessity. It’s important to understand that preventative vaccines work with your body to develop immunity to a disease by imitating an infection to teach the immune system how to recognize, remember and target microbial invaders, like viruses and bacteria, without actually causing an infection.