'The American people can be confident,' says VP, calling speed with which vaccine was developed 'a medical miracle'; surgeon general also takes part in White House event

US surgeon general offers stark warning about surge of coronavirus deaths: 'This is going to be our Pearl Harbor moment, our 9/11 moment' British PM remains in hospital

US Surgeon General compares coming days to Pearl Harbor and 9/11; Britain's death tolls soars as country becomes deadliest virus hotspot in Europe