COVID-19 exposure app helped prevent thousands of cases in Washington state, new study shows by Charlotte Schubert on June 21, 2021June 23, 2021 at 12:07 pm WA Notify, the COVID-19 exposure notification tool for Washington state, saved an estimated 40 to 115 lives and prevented between 2,800 and 8,200 cases during four months of use this… Read More