Around one in five people aged 16 to 59 in England has likely received their first dose of the Covid-19 vaccine, new figures show.
An estimated 21.8% of people in this age group had received their first stitch by March 7th.
Letters were sent late last week in England to people aged 56 to 59 asking them to book their first vaccine dose.
Vaccines are yet to be officially launched in England for the general population under 56 years of age, but a growing minority of people in this age group have likely been offered a dose because of their job or a certain health condition.
All frontline health and social workers are currently eligible to receive the vaccine, along with anyone aged 16 to 64 with underlying health conditions that put them at higher risk of serious illness and mortality.
The most recent estimates for first doses in 16 to 59 year olds show little variation between regions, ranging from 19.3% in London to 24.2% in the north west of England.
For people aged 60 and over, the estimated first dose intake for the whole of England is now 88.9%, with regional estimates ranging from 81.7% for London to 91.2% for the Midlands.
Vaccination figures were published by the NHS England and combined with population estimates from the National Statistics Office.
They suggest that vaccine uptake in London among people aged 80 and over continues to lag other regions of England.
An estimated 83.5% of people in this age group in the capital had received their first dose on March 7th. In all other regions, uptake is estimated to be at least 94%, with South West England having the highest percentage at 98.7%.
About 93.7% of elderly care home residents in England who were eligible for the first dose of the Covid-19 vaccine had received the sting by March 7.
Residents are considered eligible for the vaccine if they have not had Covid-19 in the previous 28 days.
The corresponding figure for senior nursing home workers across England is 74.3% – but in London the estimate is only 59.9%.
Estimates of the number of first doses given to people aged 60 and over at the community level suggest that intake is lowest in central London, particularly the City of London (59.2%), Westminster (61 , 8%) and Tower Hamlets (66.3%)%).
A total of 62.7% of social workers in England who work in independent nursing homes registered by the Care Quality Commission, as well as nursing homes and home care providers, have received their first dose of the Covid-19 vaccine, NHS England also said.
For social workers working in other facilities in England, including unregistered providers, the figure is 62.0%.