Why covid-19 might finally usher in the era of health care based on a patient’s data

Back in the 1990s, Lee Hood, a technologist and immunologist famous for co-­inventing the automated DNA sequencer, made a bold prediction. By 2016, he suggested, all Americans would carry a data card  recording their personal genomes and medical histories in vast detail. Upon arriving at a hospital or doctor’s office, they would present it to…