HUNDREDS of thousands of those most at risk from Covid have yet to come forward for the latest booster jab.

NHS England said two thirds of those with a weakened immune system had been vaccinated .

The NHS fears those at risk may not be aware they have a condition making them eligible for a top-upProfessor Sir Stephen Powis reveals his concerns over the lack of vulnerable people receiving their latest Covid jab

But it thinks others may not be aware they have a condition making them eligible for a top-up.

They include pregnant women and people with diabetes , epilepsy, blood cancer and asthma .

They are among those at greater risk of becoming seriously ill or needing hospital treatment if they catch Covid.

NHS director Professor Sir Stephen Powis said: “We know that there are hundreds of thousands of people out there who are at increased risk but are yet to come forward.”;;

More than 16 million people have had a Covid booster while 18 million have had the flu jab.