The Health Protection Agency said the latest case brings the total to 21. The patient, who is being treated at the University Hospital of North Staffordshire, is a man in his 70s.
Two patients being treated for the disease since the spate of illnesses began in the middle of July have died.
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The Government scheme would benefit those aged under 40 but will only run for five years.
Joseph Rowntree Charitable Trust and the Roddick Foundation are under investigation by the watchdog over grants made to Cage.
The Duke of Cambridge became a fearsome samurai warlord - at least temporarily - when he visited the set of a long-running Japanese drama.