FAQs Lateral flow tests on return to campus What is a lateral flow test? If you are on campus, living in accommodation, or living locally and using campus facilities, you are encouraged to take part in twice-weekly lateral flow testing to help to control the spread of Covid-19. You can read more about LFT here. I will be arriving on campus from outside of the UK, what do I need to do? Please see here for information on arriving in the UK.