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PREreview of Long-term duration of protection of ancestral-strain monovalent vaccines and effectiveness of the bivalent BA.1 boosters against COVID-19 hospitalisation during a period of BA.5, BQ.1, CH.1.1. and XBB.1.5 circulation in England

by Kianna Sahabi

Published: April 5, 2023
DOI: 10.5281/zenodo.7800482
License: CC BY 4.0

The main findings of this paper regarding the association between vaccine effectiveness and hospitalization of people aged 65 years or older in terms of monovalent vaccine protection. Their case-control study found absolute vaccine effectiveness through 3 doses of monovalent vaccines for people of this age group for 6 months at a time.

The paper was clear and adequate, suggesting further evidence of the effectiveness of boosters in preventing hospitalization.

Competing interests

The author declares that they have no competing interests.

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