Covid-19 Omicron summary: 21 December 2021 – AS English Posted on December 22, 2021 by Travel editor Covid-19 Omicron summary: 21 December 2021 AS English Post navigation Illinois travel restrictions: Chicago advisory at 47 states, 2 territories; Alabama, Florida, Hawaii, Mississippi, Texas added – WLS-TVHours in line or a $110 test: How the COVID test shortage is ‘frustrating’ Puerto Rico visitors – USA TODAY