UK Health Security Agency's COVID-19 vaccine surveillance report for January 13, 2022: https://assets.publishing.service.gov.uk/government/uploads/system/upload

UK Health Security Agency's COVID-19 vaccine surveillance report for January 13, 2022: https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1047814/Vaccine-surveillance-report-week-2-2022.pdf https://assets.publishing.service.gov.uk/government/uploads/... Pages 13 to 18 are what relates the most to this. "These estimates suggest that vaccine effectiveness against symptomatic disease with the Omicron variant is significantly lower than compared to the Delta variant and wane rapidly. Nevertheless, protection against hospitalisation is much greater, in particular after a booster dose, where vaccine effectiveness against hospitalisation is around 85-90%%. Further data is needed to estimate the duration of protection against hospitalisation."