By BY ANDREW JACOBS Health https://ift.tt/2WrDqVH The app, which allows people to record their symptoms, was remarkably effective in predicting infections. The most reliable indicators, researchers found, were loss of smell and taste. New York Times Mobile Applications, Coronavirus (2019-nCoV), Tests (Medical), Epidemics, Research, Medicine and Health, Smartphones, Smell (Olfaction), Taste May 11, 2020 at 11:56PM