Top US scientist Anthony Fauci said Tuesday that while it would take weeks to judge the severity of the new Covid-19 variant Omicron, early indications suggested it was not worse than prior strains, and possibly milder. Speaking to AFP, President Joe Biden's chief medical advisor broke down the knowns and unknowns about Omicron into three major areas: transmissibility, how well it evades immunity from prior infection and vaccines, and severity of illness. The new variant is "clearly highly transmissible," very likely more so than Delta, the current dominant global strain, Fauci said. Accumulating ... (full story)