1. Covid-19: Scientists sound alarm over new BA.2.86 “Pirola” variant
2. UK Health Security Agency. SARS-CoV-2 variant surveillance and assessment: technical briefing 53. Updated 9 Sep 2023. https://www.gov.uk/government/publications/investigation-of-sars-cov-2-variants-technical-briefings/sars-cov-2-variant-surveillance-and-assessment-technical-briefing-53
3. US Centers for Disease Control and Prevention. Update on SARS CoV-2 variant BA.2.86. 8 Sep 2023. https://www.cdc.gov/respiratory-viruses/whats-new/covid-19-variant-update-2023-09-08.html
4. Gov.uk. England summary. Updated 8 Sep 2023. https://coronavirus.data.gov.uk/