The best way to avoid infection is to make sure you wear gloves when gardening or changing your cat's litter tray, wash fruit and vegetables before eating and cook meat thoroughly - although it is possible to still enjoy it rare, says the Food Standards Agency.

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On one tray are two portions of vegetables and three portions of fruit.

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In its cafeteria recently, Ultra fund comanager John A. Sykora picked at a bowl of fresh fruit and tried to avoid an open bag of Cheetos tantalizing him from the lunch tray's far corner.

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