As the U.S. healthcare workforce struggles to care for a rise in COVID-19 cases, there are growing reports that there are not enough workers to
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What-if questions can torment a doctor making coronavirus retest decisions: What if a patient’s initial negative test was a false negative, and he or she
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When Avi Yagil, Ph.D., Distinguished Professor of Physics at University of California San Diego flew home from Europe in 2012, he thought he had caught
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