The Government is injecting millions into the flu vaccination programme on the condition NHS trusts prove at least 75% of their staff have been immunised against the disease.
Two pots of £250 million have been set aside to fund the programme this year and in 2014.
However, health secretary Jeremy Hunt said NHS trusts would only have access to the funds when they could prove 75% of their workforce had already been immunised against the flu.
More top news
New figures show people aged over 55 could be as much as four times more likely to become victims of a telephone scam .
The fallout of Greece's decision to reject the terms of an international bailout will have repercussions for the rest of Europe.
Largely dry night, but showers set to spread in from the west during tomorrow