College students are the virus opportunity these days….

Last month, facing a budget shortfall of at least $75 million because of the pandemic, the University of Iowa welcomed thousands of students back to its campus — and into the surrounding community.

Iowa City braced, cautious optimism mixing with rising panic. The university had taken precautions, and only about a quarter of classes would be delivered in person. But each fresh face in town could also carry the virus, and more than 26,000 area residents were university employees.

“Covid has a way of coming in,” said Bruce Teague, the city’s mayor, “even when you’re doing all the right things.”

Within days, students were complaining that they couldn’t get coronavirus tests or were bumping into people who were supposed to be in isolation. Undergraduates were jamming sidewalks and downtown bars, masks hanging below their chins, never mind the city’s mask mandate.

Now, Iowa City is a full-blown pandemic hot spot — one of about 100 college communities around the country where infections have spiked in recent weeks as students have returned for the fall semester. Though the rate of infection has bent downward in the Northeast, where the virus first peaked in the U.S., it continues to remain high across many states in the Midwest and South — and evidence suggests that students returning to big campuses are a major factor…

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Despite the surge in cases, there has been no uptick in deaths in college communities, data shows. This suggests that most of the infections are stemming from campuses, since young people who contract the virus are far less likely to die than older people. However, leaders fear that young people who are infected will contribute to a spread of the virus throughout the community….

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The pandemic has hurt colleges’ finances in multiple ways, adding pressure on many schools to bring students back to campus. It has caused enrollment declines as students have opted for gap years or chosen to stay closer to home, added substantial costs for safety measures, reduced revenue from student room and board and canceled money-generating athletic events…

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