Study reveals how some bacterial infections become chronic

Computer-generated image of non-typhoidal Salmonella bacteria. Credit: James Archer, Medical Illustrator, Courtesy of CDC/ Antibiotic Resistance Coordination and Strategy Unit In the early 1900s, a cook named Mary Mallon, better known as “Typhoid Mary,” spread Salmonella Typhi, the causative agent of typhoid fever, to dozens of her patrons even though she showed no symptoms. Many people today harbor pathogenic Salmonella bacteria for years without feeling sick, making them potential sources of new infections. A new study by scientists at the Broad Institute of MIT and Harvard, along with colleagues at Tel Aviv University and the Sheba Medical Center in Israel, Read More