Spikevax Bivalent Original/Omicron BA.1 is intended for use in people 12 years and above who have received at least primary vaccination against COVID-19. These vaccines are adapted versions of the original vaccines Comirnaty (Pfizer/BioNTech) and Spikevax (Moderna) to target the Omicron BA.1 subvariant in addition to the original strain of SARS-CoV-2.
Vaccines are adapted to better match the circulating variants of SARS-CoV-2. Read more here.
You can find information about the vaccine and its properties on the website of the State Agency of Medicines.