FILE - A coronavirus drive-through testing center is seen in Bear Mountain, N.Y. on Nov. 25, 2020. LOS ANGELES - A new model from a study conducted by Washington University in St.
Louis projected that COVID-19 cases in the United States could double by the time President-elect Joe Biden is inaugurated if the nation continues on its current trajectory.The projection was made using a susceptible-infected-recovered (SIR) model, according to the study.“The model, which accurately forecasted the rate of COVID-19 growth over the summer of 2020, was developed by Olin Business School’s Meng Liu, Raphael Thomadsen and Song Yao.