Moderna says its new ‘bivalent’ vaccine shows promise against COVID variants

A health care worker prepares the current COVID vaccine booster shots from Moderna in February. The company says a bivalent vaccine that combines the original strain with the omicron strain is the lead candidate for a fall vaccination campaign.

The company says this version targets both the original coronavirus and the beta variant, and appears to provide broader and longer-lasting protection against different strains, including omicron.

(Image credit: Bloomberg/Bloomberg via Getty Images)

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Rob Stein