Experts say it’s not likely that the highly transmissible Omicron variant — or any other variant — will lead to herd immunity.

“ Herd immunity is an elusive concept and doesn’t apply to coronavirus,” says Dr Don Milton at the University of Maryland School of Public Health.

Herd immunity is when enough of a population is immune to a virus that it’s hard for the germ to spread to those who aren’t protected by vaccination or a prior infection.

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