The ultimate covid-19 mystery: Why does it spare some and kill others? - The Washington Post

Scientists are exploring genetic factors, including a person’s blood type, how the virus is transmitted, and whether particular strains might be more lethal. https://www.washingtonpost.com/health/the-ultimate-covid-19-mystery-why-does-it-spare-some-and-kill-others/2020/06/16/f6acc1a0-ab35-11ea-9063-e69bd6520940_story.html