Too soon to treat COVID-19 like flu as Omicron spreads - WHO
Evidence, however, is emerging that Omicron is affecting the upper respiratory tract more than the lungs, causing milder symptoms than previous variants.
People pose with syringe with needle in front of displayed words "OMICRON SARS-COV-2" in this illustration taken, December 11, 2021(photo credit: REUTERS/DADO RUVIC/ILLUSTRATION/FILE PHOTO)ByREUTERSUpdated: