The Prime Minister maintained his cautiously optimistic tone when quizzed about whether the country will proceed to the next step of lifting coronavirus restrictions on June 21.
He said the data was “ambiguous” and urged people to remain “cautious” because infection rates are increasing.
Last week the PM said he could see nothing in the data to indicate that the next stage of unlocking could not happen on June 21.
Pressed on whether he still felt the same, he replied: “I can see nothing in the data at the moment that means we can’t go ahead with step four of the reopening on June 21.
“But we’ve got to be so cautious because there’s no question, the ONS [Office for National Statistics] data of infection rates is showing an increase, we always knew that was going to happen.
“Don’t forget, we always said that the unlocking steps that we’ve taken would lead to increases in infection.
“What we need to work out is to what extent the vaccination programme has protected enough of us, particularly the elderly and vulnerable, against a new surge, and there I’m afraid the data is still ambiguous.”
He said every day they were spending long sessions “interrogating” all the data and looking at various models.
“The best the scientists can say at the moment in their guidance to us is that we just need to give it a little bit longer,” he added.
“I’m sorry that’s frustrating for people. I know that people want a clear answer about the way ahead for June 21. But at the moment, we’ve just got to wait a little bit longer.”