1. Office for National Statistics. Coronavirus (COVID-19) Infection Survey headline results, UK. https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/bulletins/coronaviruscovid19infectionsurveypilot/latest
2. The Guardian. Parts of NHS may be overwhelmed by Covid wave, admits Boris Johnson. Jan 2022. https://www.theguardian.com/world/2022/jan/04/parts-of-nhs-may-be-overwhelmed-by-covid-wave-admits-boris-johnson
3. Twitter. Stuart Mcdonald on Twitter: “Latest ONS deaths data (to week ending 17 December) has been released. 1,650 more deaths were recorded in-week compared to the 2015-19 year average. That’s 15% higher. Year-to-date there have been 564,409 deaths recorded, which is 10% higher than the 2015-19 average. https://t.co/Fmit9kXi2i
4. What caused the spike in mortality in England and Wales in January 2015?