Hello all, we have a Northern Europe cruise leaving out of Southampton next March. One of our party is not vaccinated. Our plans are to arrive in London 2 days prior to embarkation, and the new guidelines state to test within 48 hours. I tried to get clarification from MSC on which tests would be approved, as the US site states no self tests accepted, and the UK site states self tests accepted only with certificate. However, the rep at MSC could not give me a straightforward answer. Do any unvaccinated US passengers have experience with what tests they will accept for boarding? Flight leaves for London 3 days prior to embarkation.