"It was a very high-impact artificial intelligence project, and I believe we saved lives by developing a cutting-edge, novel system for targeted testing during the pandemic," said Kimon Drakopoulos, a USC Marshall assistant professor of data sciences and operations and one of the study's authors.

In July 2020, Greece largely reopened its borders to spare its tourism-dependent economy from the devastating impact of long-term shutdowns amid COVID-19.

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