Our bodies defeat infections in part because our immune system’s genes are many and diverse. This genetic heterogeneity, however, has a downside: it means that we each respond differently to vaccines. For example, compared with women men routinely produce fewer pathogen-fighting antibodies after vaccination, and in the last large U.S. measles outbreak in 1989 10 percent of previously vaccinated children were not protected . But these limitations could one day be overcome thanks to a push to replace one-size-fits-all vaccines with genetically "personalized" immunizations that are safe and effective for everyone. [More]

Vaccination - Immunization - Immune system - Measles - Health
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Original post by Scientific American Topic - Exercise and Fitness