What South Africa's COVID case uptick signals about omicron
Clip: 12/02/2021 | 6m 13s | Video has closed captioning.
While we don't know whether the omicron variant will lead to more severe cases of COVID-19, its ability to spread is becoming clearer. Cases in South Africa are spiking at the fastest rate since the pandemic began, and European officials said their modeling found that omicron would likely be responsible for more than half of their cases this winter. William Brangham looks at the global picture.
Problems Playing Video? | Closed Captioning