In an April interview with the China Daily newspaper, Mr. Wan said he arranged to receive daily text messages about the company's efforts to quarantine and track pigs.

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"Maybe in the future it would be better for me to stay on land, " he says with a wan smile.

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Jobs has suffered from a rare survivable form of pancreatic cancer, and he has looked thin and wan since a liver transplant in 2009, even as his company has flourished.

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He began working with a young musician, Eric Wan, who was forced to give up the violin after a neurological disorder paralyzed him from the neck down.

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He looked almost imploringly at the jury, with a wan, sort of half-smile on his face.

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