Simplify the following text for a Grade 12 native English-speaking person.
Original: Finally , a microneedle approach , which is still in stages of development , seems to be the vaccine of the future , the microneedle , which is `` pointed projections fabricated into arrays that can create vaccine delivery pathways through the skin '' .
Simplified: The microneedle , which is `` pointed projections fabricated into arrays that can create vaccine delivery pathways through the skin '' .