NHS Direct originally won 11 of the 46 contracts to provide the 111 service.
Earlier this month the company announced that it would be unable to provide the service in North Essex and Cornwall.
But now it is also planning to stop providing the service in Somerset, Buckinghamshire, east London and the City, south-east London, Sutton and Merton, West Midlands, Lancashire and Cumbria, Greater Manchester, Merseyside and Cheshire.
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