CONCORD, N.H. -- A mixer used to make pudding was the source of salmonella that sickened children at a camp in Madison, N.H., this month, health officials said. The Stone Environmental Camp voluntarily closed last week because of cases of salmonella diagnosed in camp attendees.

As the swine flu outbreak continued to spread to countries around the world, the World Health Organization today took the unprecedented step of raising the infectious disease alert level to phase 5, setting the stage for increased efforts to combat the infection.

Researchers at the University of Minnesota and Massachusetts General Hospital have used a genome engineering tool they developed to make a model crop plant herbicide-resistant without significant changes to its DNA.

They are being taught the importance of using hot and cold water, applying soap and ensuring hand driers are accessible, it is claimed. In a speech on Thursday, Richard Cairns, head of fee-paying Brighton College, says the training session underlines the extent to which "the health and safety Mafia" is destroying education.

LINCOLN, Neb. -- University of Nebraska-Lincoln scientists are continuing to refine how the state can best take advantage of its unique mix of corn, cattle and ethanol production. One key focus is expanding use of ethanol byproducts in cattle feeding.

CAIRO -- Egypt, hard hit by the highly pathogenic bird flu virus, is considering culling hundreds of thousands of pigs as a precautionary measure as swine flu nears the borders of the most populous Arab country.

Thirteen years ago, Rita Bernstein's family was turned upside down when a bag of lettuce caused lasting medical complications for her youngest daughter, Haylee. Haylee, then 3, became severely ill from E. coli in the bag of prewashed lettuce.

TORONTO -- Food producer Maple Leaf Foods Inc. has reported a first-quarter profit of $2.9 million, reversing a year-ago loss of $10 million posted as the company struggled with a recall of meat tainted with the Listeria bacteria. The Toronto-based company said its earnings amounted to two cents a share versus nil cents in the prior-year period.

New and expanding swine production facilities in North Carolina are required to use manure management systems that meet the strictest environmental performance standards in the nation. Fortunately, Agricultural Research Service (ARS) scientists and cooperators have developed a system that exceeds state benchmarks for controlling pollutants from swine farms.