Nations rethink isolation, testing rules as Omicron sweeps globe
Although studies have suggested Omicron is less deadly than some previous variants, the sheer number of people testing positive means that hospitals in some countries could soon be overwhelmed.
A security guard blocks an exit as he directs people to scan a QR code to track their health status at Shanghai Hongqiao Railway Station, following new cases of the coronavirus disease (COVID-19), in Shanghai, China, November 25, 2021.(photo credit: REUTERS/ALY SONG)ByREUTERSUpdated: