Irish scientists on quest to discover why some people don't get Covid-19 

A global consortium of scientists has already discovered how variation in some immune genes contributes to severe Covid infection.

Irish scientists are among a global group hunting for a genetic explanation as to why some people seem resistant to Covid-19 while others experience life-threatening symptoms. 

In a landmark paper published on Monday in leading journal  Nature Immunology, the consortium sets out a strategy for answering one of the pandemic’s greatest questions: Why do some people not get Covid?