Effectiveness of Adapted COVID-19 Vaccines and Ability to Establish Herd Immunity against Omicron BA. 1 and BA4-5 Variants of SARS-CoV-2

P Plans-Rubió - Vaccines, 2023 - mdpi.com
The emergence of novel SARS-CoV-2 variants has raised concerns about the ability of
COVID-19 vaccination programs to establish adequate herd immunity levels in the …