Foreign students who are pursuing degrees in the US will need to leave the country or risk deportation if their universities transition to online-only learning, according to Immigration and Customs Enforcement.

The move might affect thousands of international students who come to the US to attend universities or take part in training programs, as well as vocational or non-academic studies.

Universities nationwide are starting to make the decision to transition to online courses as a result of the Covid-19 pandemic. For example, at Harvard, all course instruction will be held online, including …