Scientists Scramble to Understand ‘Very High’ Risk Omicron Variant

KQED's Forum

The World Health Organization today warned that the global risk from the new COVID-19 variant, Omicron, is “very high”. The variant, first discovered in South Africa, has now been detected in more than a dozen countries. We’ll talk about what we know so far about how contagious the variant is and how effective vaccines are likely to be against it.