SMARTPHONES HAVE PLAYED a starring role in the COVID-19 pandemic. From receiving rapid test results to checking public-health guidelines, to tracking daily infection rates in your area — smart phones are fast becoming indispensable medical devices. In the future, these devices may be able to do even more to protect our health. In a new study, a team of researchers demonstrate how to use a smartphone camera to accurately identify various life-threatening virus strains in less than an hour using a vision-based deep learning algorithm.
