Quantum Dots Encode Vaccine History in the Skin – IEEE Spectrum
I remember a faded yellow booklet, about the size of a wallet, that my mother used to pull out once a year at the doctor’s office to record my vaccines. Today, nurses document my children’s vaccination history in electronic health records that will likely follow them to adulthood. To eradicate a disease—such as polio or measles—healthcare workers need to know who was vaccinated and when. Yet…