Moderna testing new COVID-19 booster targeting omicron

(CNN) - Moderna is testing a new kind of COVID-19 booster.

It is a bivalent booster that combines an omicron-specific vaccine with the company’s original COVID-19 vaccine.

The company says there could be data for the booster sometime in March.

Pfizer has also been working on an omicron-specific vaccine and a bivalent vaccine, though FDA officials say it’s unclear whether an omicron-specific vaccine will be necessary.

Daily COVID-19 cases have dropped 90% in the U.S. since mid-January, according to new data from Johns Hopkins University.

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