Hospitals across the UK have now been told to prepare to rollout a Covid-19 vaccination within ten days.
NHS staff will be first in line to receive the vaccine.
The vaccine, produced by Pfizer/BioNTech could be delivered to hospitals as soon as Monday, December 7.
This exact date depends on the Medicines and Healthcare products Regulatory Agency (MHRA) approving it in time.
An NHS source confirmed to the Mirror: "We are expecting it within the next two weeks, they have identified how much is coming and where to.
"They're currently working out how to get it to the staff within 5 days."
Initially only NHS staff will get the vaccine, while care home residents and those over the age of 80 will have to wait for the time being.
The move has caused anger among care sector chiefs seeing as care home residents and over-80s were identified by the government as the top priority for the jab.
The Joint Committee on Vaccination and Immunisation (JCVI) said in September that the older people in care homes and staff should be prioritised.
Those over the age of 80 and people working in health and social care should be second on the list.
However, the nature of the vaccine has caused the rethink over who should get it first.
NHS officials believe it should only be moved up to four times otherwise it could become ineffective. So it can't easily be moved around by GPs to places like care homes.
By the time it gets to hospitals in the UK it will have already been moved twice, from the Pfizer production plant over in Belgium the to storage in Britain then to hospitals.
NHS trusts have reportedly been urging staff in the NHS to get flu vaccines as soon as possible as there has to be a few weeks between having that and the coronavirus jab.
For those in care homes and people over 80, it is likely they will have the Oxford/AstraZeneca vaccine. It was referred to the MHRA last Friday.
