1. NHS Portsmouth Hospitals University NHS Trust. Critical incident declared at Portsmouth Hospitals University NHS Trust due to pressure on services. Apr 2022. https://www.porthosp.nhs.uk/news/critical-incident-declared-at-portsmouth-hospitals-university-nhs-trust-due-to-pressure-on-services/585577.
2. NHS South Central Ambulance Service. SCAS declares critical incident due to extreme pressures. Apr 2022. https://www.scas.nhs.uk/scas-declares-critical-incident-due-to-extreme-pressures.
3. West Yorkshire Association of Acute Trusts. A&E departments across West Yorkshire and Harrogate are extremely busy—with waits of up to 12 hours. Apr 2022. https://wyaat.wyhpartnership.co.uk/news/e-departments-across-west-yorkshire-and-harrogate-are-extremely-busy-waits-12-hours.
4. NHS Confederation. Analysis: roundup of winter performance. Apr 2022. https://www.nhsconfed.org/articles/analysis-roundup-winter-performance.
5. NHS England. Urgent and Emergency Care Daily Situation Reports 2021-22: timeseries 29 November 2021 – 3 April 2022. https://www.england.nhs.uk/statistics/statistical-work-areas/uec-sitrep/urgent-and-emergency-care-daily-situation-reports-2021-22/#:~:text=UEC%20Daily%20SitRep%20%E2%80%93%20Web%20File%20Timeseries%2029%20November%202021%20%E2%80%93%203%20April%202022%20(XLS%2C%201.9MB).