Real-world evidence on the efficacy of bivalent booster doses of SARS-CoV-2 vaccine in respect of monovalent boosters or primary cycle of vaccination: a narrative review
Description
CONCLUSIONS: the additional benefit of bivalent booster vaccines - compared to one or two monovalent booster vaccinations or compared to the primary course alone - in the prevention of SARS-CoV-2 Omicron infection appears to be small, especially in