By Sandra Avant
Special to Poultry Times
BELTSVILLE, Md. — Some types of salmonella cause disease in food animals. Other types cause foodborne disease in humans. A new vaccine developed by Agricultural Research Service (ARS) scientists in Ames, Iowa, protects pigs against both types of salmonella.
Several salmonella vaccines are currently licensed in the United States, but they generally offer protection against only one type of the pathogen. It's easiest to make a vaccine for a single type of salmonella, but this can leave pigs vulnerable to other types that may infect them as well.
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