Moderna says it might release a modified COVID-19 vaccine for the Omicron variant by early 2022

A vial of Moderna's COVID-19 vaccine.Rick Bowmer/AP Photo
Moderna's chief medical officer said the company could release an updated vaccine by early 2022.
News of the vaccine modification comes as the new Omicron variant begins to spread globally.
Pfizer and Johnson & Johnson are also testing vaccine effectiveness at fighting the Omicron variant.
Moderna said it might release an updated COVID-19 vaccine to combat the new Omicron variant by early 2022.  "We should know about the abi