Prior COVID-19 vaccination did not stop the immune system from mounting a protective response to the Delta and Omicron strains, though new mutation-specific antibody production dipped slightly, according to a study led by researchers at the University of Arizona Health Sciences and published in Nature Immunology.

A newly refined method for measuring the Pace of Aging in population-based studies provides a powerful tool for predicting risks associated with aging, including chronic illness, cognitive impairment, disability, and mortality. Developed by researchers at Columbia University Mailman School of Public Health, the method offers researchers and policy makers a novel approach to quantify how quickly individuals and populations experience age-related health decline.