Scientists estimate that over 20% of people who get infected with COVID never have any symptoms – and a portion of them never even know they were infected.
Now a new study published in Nature on July 19 says their genetics might be why the virus didn't make them sick.
Some people have a version of a gene in their immune system called HLA-B that protects them from feeling the effects of the virus.
Follow
Individuals carrying two copies of HLA-B*15:01 are more than eight times more likely to remain asymptomatic ....