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We saw something like that happen as states and cities required people to stay home or wear masks, and as people reacted to a resurgence in cases by avoiding high-risk settings, said Beth Carlton, an associate professor of environmental and occupational health at the Colorado School of Public Health. … Katie Colborn, research director for surgical outcomes and applied research on CU’s Anschutz Medical Campus, had previously worked on forecasting malaria outbreaks in countries where the disease is common.