Vaccine-Delivery Patch With Dissolving Microneedles Eliminates 'Sharps,' Boosts Protection

A new vaccine-delivery patch based on hundreds of microscopic needles that dissolve into the skin could allow persons without medical training to painlessly administer vaccines -- while providing improved immunization against diseases such as influenza.

Patches containing micron-scale needles that carry vaccine with them as they dissolve into the skin could simplify immunization programs by eliminating the use of hypodermic needles -- and their "sharps" disposal and re-use concerns.

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