On 21 August 2023 UKHSA was notified of an outbreak in a care home in the East of England with reports of an increased number of cases and increased severity compared to previous outbreaks at the home. All residents and symptomatic or lateral flow device (LFD) positive staff members were polymerase chain reaction (PCR) tested and PCR positive samples were referred to UKHSA for sequencing.
As of 5 September 2023, 33 out of 38 residents have tested positive for SARS-CoV-2 (attack rate 86.6%). Of the 33 positive residents, 19 (57.6%) were symptomatic with symptom onset between the 20 August 2023 and 28 August 2023; 29 of the residents have now recovered, while 4 remain unwell. One resident was hospitalised as a result of their illness (hospitalisation rate, 3.0%), and no deaths due to COVID-19 have been reported. Twelve staff tested positive either by LFD and/or PCR, and all have now recovered. No staff members were hospitalised.
https://www.gov.uk/government/publications/investigation-of-sars-cov-2-variants-technical-briefings/sars-cov-2-variant-surveillance-and-assessment-technical-briefing-53