Written by Maria Cohut, Ph.D. on January 10, 2022 — Fact checked by Harriet Pike, Ph.D. As infections of the Omicron variant of SARS-CoV-2 — the virus that causes COVID-19 — continue to spread around the world, there have been reports that symptoms, in some respects, are different from those of Delta variant infections. Do symptoms really differ? What should you look out for? All data and statistics are based on publicly available data at the time of publication. Some informa