Discussion: What researchers have learned about the omicron variant
Some parts of the world are still battling the omicron variant of COVID-19, while others seem to be somewhere around its peak. Join The World's reporter Elana Gordon for our regular series of conversations about the pandemic. She will moderate a panel on Tuesday, Jan. 25 at 12 p.m. Eastern time, and will be speaking with epidemiologist Bill Hanage of the Harvard T.H. Chan School of Public Health.