Born of bacteria that collect and live in ventilator machines that keep patients breathing, these potential killers were once accepted as a cost of doing business.

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But the company, which today has more than 50 million users, has since accepted that offering free accounts is a legitimate marketing cost, said Sujay Jaswa, Dropbox's head of business development.

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Nigel Edwards, director of policy at the NHS Confederation, said he accepted the report's findings and blamed the hygiene problem on a cost-cutting culture imposed on the NHS by politicians over the past two decades.

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There is a special type of advisor who is often readily accepted into the doctor community, even though they tend to be high on cost and low on experience.

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He points out that focusing the fiscal argument on (Labour) investment versus (Tory) cuts cost his party dear at the election in May 2010, since most voters accepted the need for cuts in some form.

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The Conservatives have accepted that offering general tax relief on health insurance would be too expensive, given the deadweight cost of extending it to the more than 6m individuals who are already covered.

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By itself, such cost-plus pricing can be a profitable strategy in an inflationary time if consumers have accepted the idea that prices are rising in a given category, such as baked goods, Lodish says.

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"Transocean's rig crew accepted the direction of BP well site leaders to proceed in the face of clear danger signs at a tragic cost to many of them, " said assistant attorney general Lanny Breuer.

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The independent Advisory Group for National Specialised Services (AGNSS) has recommended that Eculizumab should be prescribed on the NHS and while the Department of Health said it accepted its advice on the clinical effectiveness, it wanted "further, rounded advice" taking into account the cost, benefits and affordability of the drug.

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