but they had stayed in central london, where targeted testing was now being carried out. the health secretary, sajid javid, has tonight said the uk vaccination programme should be expanded as a matter of "urgency". here's our health correspondent anna collinson. taking up a booster when eligible was always important — but since the emergence of the heavily mutated variant, is even more important. queues like this in slough could include people as young as 18, with a key government adviser saying the roll—out could be expanded sooner than planned. the government also announced new measures yesterday including making face masks compulsory in shops and on public transport in england as well as asking all uk arrivals to take a pcr test. everyone wants us to protect the progress we have made. that is why we have acted very swiftly and i believe in a proportionate way with the news of this new variant. that includes the decision on thursday to red list six countries.