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

What we risk as humans if we allow gene-edited babies

A second woman is said to be pregnant with a gene-edited baby in China, according to reports this year. It follows revelations last November that gene-edited twins had been born, which caused much debate.

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