Arizona State University: ‘Time Zero’ tool adds dimension to COVID-19 arrival, spread and mutations

Arizona State University: ‘Time Zero’ tool adds dimension to COVID-19 arrival, spread and mutations. “Using data from confirmed U.S. infections, Ying-Cheng Lai, an Arizona State University professor of electrical engineering and physics, and his international team of researchers have developed a predictive modeling tool that pinpoints COVID-19’s U.S. arrival, or ‘time zero,’ as Jan. 6, 2020. The paper, ‘Optimal inference of the start of COVID-19,’ presented in Physical Review Journal this week, also identifies Dec. 28, 2019, as the earliest date of the virus’s arrival in Europe.”

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