"There is a worsening of the respiratory function, related to the state of his depressed immune system, " Villegas said, reading an official statement on state-run VTV.

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Researchers at the Medical Research Council Biostatistics Unit, in Cambridge, estimated when people were infected based on the state of their immune system.

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State College has been seemingly immune from many problems of society.

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But the State Department considered these properties immune from seizure, and argued that handing them over at the behest of an American court would not only violate the principles of international diplomacy but also endanger American property abroad.

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Watson Research Centre in New York state by a team led by Steve White, is called the Digital Immune System.

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Hardly a prestigious university or large pharmaceutical company is immune, with the likes of Harvard, Cal Tech, Johns Hopkins, Ohio State, University of Kentucky, and the University of Maryland recently fingered by Retraction Watch.

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Psychologists at University of Chicago and Ohio State University have shown that people who are socially isolated develop changes in their immune system, which leads to a condition called chronic inflammation.

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Marco Simoni, political economist at the European Institute of the LSE, believes a "slow decay" of member state economies is the biggest risk to the EU and countries should not assume they are immune from financial collapse as soon as they sign up.

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