this is old news: https://www.webmd.com/lung/news/20200618/blood-type-could-impact-odds-for-severe-covid-19 https://www.webmd.com/lung/news/20200618/blood-type

this is old news: https://www.webmd.com/lung/news/20200618/blood-type-could-impact-odds-for-severe-covid-19 https://www.webmd.com/lung/news/20200618/blood-type-could-im... and on HN: https://hn.algolia.com/?dateRange=all&page=0&prefix=false&query=covid%20blood%20type&sort=byDate&type=story https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...