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Before vaccines, diseases like measles and pertussis (whooping cough) regularly claimed lives. Today, those diseases are resurging—not because we lack the tools to prevent them, but because not enough people are using them.
By Global HeroesBefore vaccines, diseases like measles and pertussis (whooping cough) regularly claimed lives. Today, those diseases are resurging—not because we lack the tools to prevent them, but because not enough people are using them.