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Association between booster breakthrough infections with the SARS-CoV-2 Omicron variant and time-since-vaccination - Vimarsana News

Association between booster breakthrough infections with the SARS-CoV-2 Omicron variant and time-since-vaccination

A recent study assessed the waning efficacy of the BioNTech/Pfizer BNT162b2 mRNA vaccine against the SARS-CoV-2 Omicron VOC.

Exploring the waning effect of mRNA vaccines against COVID-19 in the elderly - Vimarsana News

Exploring the waning effect of mRNA vaccines against COVID-19 in the elderly

In a new study, researchers determined the vaccine effectiveness against SARS-CoV-2 in older individuals.

Declining effectiveness of the BNT162b2 vaccine in adolescents infected with COVID-19 - Vimarsana News

Declining effectiveness of the BNT162b2 vaccine in adolescents infected with COVID-19

Researchers have conducted a retrospective matched case-control study to determine the protection period conferred by the BNT162b2 vaccine on adolescents aged 12 to 16.