COVID-19 vaccine effectiveness against hospitalisation and death of people in clinical risk groups during the Delta variant period: English primary care network cohort study

In all clinical risk groups high levels of vaccine effectiveness against severe endpoints were seen. Reduced vaccine effectiveness was noted among the immunosuppressed group.

Source: Journal of Infection - August 12, 2023 Category: Infectious Diseases Authors: Heather J Whitaker, Ruby SM Tsang, Rachel Byford, Carole Aspden, Elizabeth Button, Praveen Sebastian Pillai, Gavin Jamie, Debasish Kar, John Williams, Mary Sinnathamby, Gemma Marsden, William H Elson, Meredith Leston, Sneha Anand, Cecilia Okusi, Xuejuan F Source Type: research