Singaporean researchers have discovered a Covid-19 variant which is causing milder infections (less patients developed low oxygen levels or required intensive care) as a result of a major deletion in its genome User LevitatingCarpet, in the Reddit Science subreddit, 23 Aug 2020
Effects of a major deletion in the SARS-CoV-2 genome on the severity of infection and the inflammatory response: an observational cohort study User pedceron, in the coronabr subreddit, 19 Aug 2020
Effects of a major deletion in the SARS-CoV-2 genome on the severity of infection and the inflammatory response: an observational cohort study User we_berimbolo, in the COVID-19 subreddit, 18 Aug 2020