[4] It will be difficult to reach such high coverage rates unless colleges have a mandate, and indeed many US colleges and universities require all students, staff, and faculty to be vaccinated before returning this fall. Planning ahead, discussions for booster jabs are underway (in the UK vulnerable groups are due to be offered them from September), and health service and vaccine providers can work with universities to facilitate and increase uptake of booster jabs on campuses. [18] Some US universities, such as Duke University, are mandating indoor masking along with vaccination.