Vaccine effectiveness against hospitalisation estimated using a test-negative case-control study design, and comparative odds of hospital admission and severe …

FCM Kirsebom, K Harman, RJ Lunt… - The Lancet Regional …, 2023 - thelancet.com
Background Since the first emergence of Omicron BA. 1 in England in November 2021,
numerous sub-lineages have evolved. In September 2022, BA. 5 dominated. The …

Vaccine effectiveness against hospitalisation and comparative odds of hospital admission and severe outcomes with BQ. 1, CH. 1.1. and XBB. 1.5 in England

FCM Kirsebom, K Harman, RJ Lunt, N Andrews… - medRxiv, 2023 - medrxiv.org
Background Since the first emergence of Omicron BA. 1 in England in November 2021,
numerous sub-lineages have evolved. In September 2022, BA. 5 dominated. The …