Immunology

A unique window into 'original antigenic sin'

Our immune systems react most strongly to the viral strains we encountered in our childhoods. Scientists call this original antigenic sin (OAS)—the body's first blush with a virus like influenza or COVID being the "original ...

Genetics

New antibiotic resistance genes identified in tuberculosis

A massive analysis of more than 10,000 different Mycobacterium tuberculosis bacteria isolates from 23 countries has revealed new genes associated with resistance to 13 first- and second-line new and repurposed antibiotics. ...

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