variant of concern

B.1.1.529: New Variant Called ‘Significant’, Prompts Tighter Curbs in Asia, EU

What Is the Mu Variant?

COVID-19: WHO Monitoring New Variant of Interest, Called Mu

After India, B.1.617 Variant Found in 44 Countries, Spurs Fear of Global Surge

India’s COVID-19 Deaths Cross Quarter Million Mark, No Sign of Peak

India COVID: WHO Calls B.1.617 a ‘Variant of Global Concern’

COVID-19: UK Escalates Offshoot of B.1.617 Variant as ‘Variant of Concern’