Gene Editing Effectiveness of previous COVID-19 and vaccination against SARS-CoV-2 Omicron infection Posted on June 17, 2022 by Editorial Staff Researchers studied the effects of prior immunity on symptomatic infection by SARS-CoV-2 Omicron. Share on FacebookTweetFollow us Editorial Staff Clinical risk and protective factors for the presence and persistence of abdominal pain-related disorders of gut-brain interaction Biogas and biomethane supply chains leak twice as much methane as first thought