GPs and patients who are frustrated by the lack of a new influenza vaccine for more than 65 years are saying that the final delivery batch will arrive by Saturday.
NHS England said that there will be enough vaccine for everyone who will be protected before winter.
However, doctors' leaders have said that more instructions should be given to doctors and patients to avoid disruption in the phase delivery of supplies.
Older adults are advised to get a flu before the beginning of December.
This provides protection before the flu begins to circulate, normally later in the month.
However, the delivery of the vaccine delivery over 65 years since the manufacturer of Sekirus to GP and the pharmacy means that some of the elderly patients were not able to be vaccinated.
In a study of 650 GPs in Pulse, nearly 70% reported that the lack of this flu vaccine in their practice.
It meant that they could not vaccinate as many elderly patients as they liked.
Some doctors said they had to cancel appointments while others said it created staff problems.
But spokesman for the NHS of England said that this week "will produce 100% vaccines by the manufacturers to these operations and the pharmacies that have timely ordered the order".
"So the public can be sure that there is enough supply of vaccine in stock to protect everyone before the winter."
Dr Richard Vautrei, chairman of the British Medical Association (GP) Committee, said it was not easy for the GP.
"As practice begins planning for the next year, the NHS of England must learn lessons from disorders seen in the past few weeks.
"Adequate notification and guidance for all practices must be given much before the deadline for ordering, in order to allow both practitioners and manufacturers to ensure that there are no further supply problems for the following year.
"Improving information for the public would also be useful," he said.
The best defense against influenza & # 39;
Public Health England has said that an adjuvant vaccine designed to help immune elderly people fight the flu.
Dr. Mari Ramsai, head of immunization in PHE, said: "We encourage all older adults to come to a meeting with their doctors or pharmacists before the beginning of December before the flu begins to circulate later in the month.
"However, it is always worthwhile to vaccinate even if it is later in the winter – it's the best defense we have against unpredictable viruses."
The new flu vaccine is available over 65 years in Wales and Northern Ireland.
In Scotland it is only available over 75 years.