Based on reported data, the vaccines demonstrated slightly different levels of effectiveness against Omicron.

The company said it will continue to collect more data to adapt its formulations to emerging sublineages if necessary.

When Will The New Boosters Become Available?

Omicron booster COVID

Verywell Health / Tara Anand

Both vaccine manufacturers shared their data with regulators in late June.

For the most recent updates on COVID-19, visit ourcoronavirus news page.

Centers for Disease Control and Prevention.Covid data tracker.