Seven patients said they had traveled to Mexico during the week before onset of illness.

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"Importantly, however, the onset of illness forced him to leave his home and thus to lose his independence, " the judge said.

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The most common symptoms are fever, cough, sore eyes and a rash that develops three or four days after the onset of illness, starting with the face and head and spreading down the body.

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Another alleged poisoning is rocking Ukraine on Thursday: Politician and businessman Igor Pluzhnikov died after the onset of a mysterious illness.

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"The explosive onset of an acute ciguatera illness can be readily identified clinically, but there is no consistent mechanism available to confirm the diagnosis in chronic cases, " said Dr Shoemaker, of the Pfiesteria Illness Center, Maryland.

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Most importantly, the peak incidence of illness happened to coincide almost exactly with the onset of the holiday season, which is critical to take into account.

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As for the article, I am someone who has suffered with depressive and anxiety related illness for most of my life, due to childhood onset PTSD.

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