![moderna.jpg](https://assets1.cbsnewsstatic.com/hub/i/r/2021/06/29/38a7ea27-e9ec-497a-bc98-474e837814da/thumbnail/640x360/f5dbe98e2c1ae6e7e219fdd528b7857e/moderna.jpg?v=5710b2ed1cee1bdfd30cb9c02455b43d#)
Moderna Says Current Booster Dose Is Effective Against Omicron Variant
Moderna announced Monday that preliminary data suggests its half-dose booster shot increased antibody levels against Omicron compared with the levels seen when a fully vaccinated person does not receive a booster.