The Wall Street JournalOmicron Cases at Norway Christmas Party Provide Clues on New Variant's SpreadDec 3, 2021more_vert
ReutersOmicron outbreak at Norway Christmas party is biggest outside S. Africa -authoritiesDec 3, 2021Gwladys Fouche & Nerijus AdomaitisBy Gwladys Fouche & Nerijus Adomaitismore_vert