http://www.sciencemag.org/news/2021/06/would-you-have-your-dna-tested-predict-how-hard-covid-19-would-strike-should-you

The pandemic coronavirus only severely sickens a few of the people it infects and a company says its saliva test can predict who is at most risk.

Science’s COVID-19 reporting is supported by the Heising-Simons Foundation.