1: However , a new medical technology , an easily applied microneedle patch , could be the key to that goal . 2: Rather than requiring highly trained medics , minimally trained personnel could go from door to door , quickly administering the vaccine . 3: A new microneedle patch is easily used by minimally trained personnel .
1: an easily applied microneedle patch 2: the vaccine 3: A new microneedle patch