Eggs have not been a major source of infection in humans for this particular strain of salmonella, enteritidis, in the last twoor three years, said Patrick McDonough at Cornell University's School of Veterinary Medicine.

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Alan Beck , director of the Center for the Human-Animal Bond at Purdue's School of Veterinary Medicine and a principal investigator in the study, says they placed Aibo, a robotic dog made by Sony (nyse: SNE - news - people ), in the homes of isolated senior citizens to determine whether the robotic pet can improve quality of life.

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Professor Alexander Trees and his team from the Liverpool School of Tropical Medicine and the University of Liverpool's faculty of veterinary science, found that killing bacteria which are abundant in the worm tissues leads to its death.

BBC: River blindness 'breakthrough'