While 71 per cent of pensioners have been vaccinated, just 46 per cent of pregnant women and 47 per cent adults in clinical risk groups have had the jab, along with less than 50 per cent of children, the latest statistics show.
And in some NHS hospital trusts, as few as one in three frontline staff have been vaccinated, official figures show.
Health officials today launched a public awareness campaign urging the public to “Catch it, Bin it, Kill it”.
The campaign will appear in the press, radio, digital and video on demand encouraging people to “Catch it, Bin it, Kill it.”
Flu is spread by germs from coughs and sneezes, which can live on hands and hard surfaces for up to 24 hours.
It is very infectious, especially within the first five days, so the public are being encouraged to “Catch” any sneezes in a tissue, “Bin” any tissues immediately and “Kill” the virus by washing their hands with soap and warm water.
Professor Dame Sally Davies, Chief Medical Officer said: “Flu can kill and it is important we all take it seriously.