Why is COVID-19 more severe in people older than 50? - News-Medical.Net

A new study reports that the reduced efficiency of the immune response against SARS-CoV-2 could be due to the reduced diversity of both B- and T-cells.

The adaptive immune system mounts pathogen-specific humoral and cellular responses to combat infections. Upon identification of a new virus, B- and T-cells will elicit specific responses to the infec… [+11335 chars]

full article...