The new Omicron coronavirus variant – identified first in South Africa, but also detected in Europe and Asia – is raising concern worldwide. The World Health Organization has raised alarm around its ability to spread or even evade antibodies from prior infection or vaccination.
News of the Omicron variant has prompted countries to announce new travel restrictions and sent drugmakers scrambling to see if their Covid-19 vaccines remain protective. We look at the developments around the Omicron coronavirus variant.