Moderna says ommicron-specific booster generates strong immune response

Moderna Inc said on Wednesday that its COVID-19 vaccine booster, which targets both the original coronavirus strain and omicron, produced a better immune response to the variant than the original vaccine.

The booster increased virus neutralizing antibodies by a factor of eight in one study. The vaccine was generally well tolerated, with side effects comparable to a booster dose of mRNA-1273 at the 50 microgram level.

“We are submitting our preliminary data and analysis to regulators in hopes that the omicron-containing bivalent booster will be available in late summer,” Chief Executive Stephane Bancel said in a statement.

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Moderna’s stock rose 2 percent in premarket trading.

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