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Randy Atkins: An alternative to syringe needles is jet injection, which shoots the dose through the skin using sheer velocity. But sometimes it goes too deep.
Samir Mitragotri: Because of bleeding and pain issues, they are not very commonly used.
Randy Atkins: Samir Mitragotri, a University of California chemical engineer, is re-designing the needle-free idea.
Samir Mitragotri: Instead of delivering a large single jet, we are delivering small pulses of jets.
Randy Atkins: Each so small that it can’t go very deep. But Mitragotri says enough of them can give a full dose, especially because its shallow target in the skin is a prime antibody producing area.
Samir Mitragotri: You can get a much better immune response for the same amount of vaccine.
Randy Atkins: With the National Academy of Engineering, Randy Atkins, 103-point-5 F-M and WTOP-dot-com.