Why are COVID variants so dangerous? | ABC News

Why are COVID variants so dangerous? | ABC News

Mutations in the COVID-19 virus continue to pose a risk. Omicron and its subvariants are the latest to cause waves of infections. Subscribe: https://ab.co/3yqPOZ5 Read more here: https://ab.co/3zOKjmh

This pattern of infection and immunity will likely be with us for some time to come.

ABC News In-depth takes you deeper on the big stories, with long-form journalism from Four Corners, Foreign Correspondent, Australian Story, Planet America and more, and explainers from ABC News Video Lab.

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