Story by Kate Olsen and the National Institute of Biomedical Imaging and Bioengineering Targeted, biodegradable nanoparticles used in preclinical cancer treatment regimen Vaccines work by giving our immune system a ‘heads up’ about a known threat. They are traditionally given before we encounter a pathogen (such as the influenza virus), allowing our bodies to mount a better immune response if that pathogen is seen again. But...

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