Vaccines and previous infection could offer some "stronger than basic" protection to Omicron, early study suggests

One of the earliest, peer-reviewed studies looking into the Omicron variant of COVID-19 suggests that people previously infected with COVID, and those vaccinated, will have some, "stronger than basic" defence against this new strain of concern.

source https://medicalxpress.com/news/2021-12-vaccines-previous-infection-stronger-basic.html