IN THE NORMAL run of things, late summer sees airports in the emerging world fill with nervous 18-year-olds, jetting off to begin a new life in the rich world's universities. The annual trek of more than 5m students is a triumph of globalisation. Students see the world; universities get a fresh batch of high-paying customers. Yet with flights grounded and borders closed, this migration is about to become the pandemic's latest victim. For students, covid-19 is making life difficult. Many must choose between inconveniently timed seminars streamed into their parents' living rooms and inconveniently deferring their studies until life is more normal. For universities, it is disastrous. They will not only lose huge chunks of revenue from foreign students but, because campus life spreads infection, they will have to transform the way they operate (see Briefing).
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