This Tiny Patch Could Transform How Doctors Study Aging, Infections, and Vaccines

A bandage-like microneedle patch can noninvasively collect immune cells and signals from the skin within minutes to hours. Early tests suggest it could transform how immune responses are monitored. Researchers at The Jackson Laboratory (JAX), working with the Massachusetts Institute of Technology (MIT), created the first bandage-like microneedle patch designed to sample immune activity directly [...]