Ministers are increasingly concerned about the pace of the coronavirus vaccine rollout after a reduction in the supply of Pfizer-Biontech jabs.
The number of people receiving their first dose on Monday fell for the third day in a row to 204,076 from a high of 324,000 on Friday.
Pfizer said supplies of vaccine would be lower this month and next because it was upgrading its factory in Belgium before increasing production in March.
A government source said that the supply had become “very constrained” with ministers concerned about meeting the target to vaccinate 15 million people in the four most vulnerable groups by mid-February. “It’s going to be very, very tight,” the source said.
In an attempt to scale up the scheme dozens of pharmacies