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 ...

Diseases, Conditions, Syndromes

How will Delta evolve? Here's what the theory tells us

The COVID-19 pandemic is a dramatic demonstration of evolution in action. Evolutionary theory explains much of what has already happened, predicts what will happen in the future and suggests which management strategies are ...

page 1 from 7