1. World Health Organization. Coronavirus disease (COVID-19) situation reports. Weekly epidemiological update—19 January 2021 [cited 2021 Jan 21]. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports
2. World Health Organization. SARS-CoV-2 variant [cited 2021 Jan 21]. https://www.who.int/csr/don/31-december-2020-sars-cov2-variants/en/
3. European Centre for Disease Prevention and Control. Rapid increase of a SARS-CoV-2 variant with multiple spike protein mutations observed in the United Kingdom; December 20, 2020 [cited 2021 Jan 21]. https://www.ecdc.europa.eu/sites/default/files/documents/SARS-CoV-2-variant-multiple-spikeprotein-mutations-United-Kingdom.pdf
4. The New and Emerging Respiratory Virus Threats Advisory Group (NERVTAG). NERVTAG meeting on SARS-CoV-2 variant under investigation VUI-202012/01. 2020 Dec 18 [cited 2021 Jan 21]. https://app.box.com/s/3lkcbxepqixkg4mv640dpvvg978ixjtf/file/756963730457
5. New and Emerging Respiratory Virus Threats Advisory Group. NERVTAG/SPI-M Extraordinary meeting on SARS-CoV-2 variant of concern 202012/01 (variant B.1.1.7). Note of meeting 2020 Dec 21 [cited 2021 Jan 21]. https://app.box.com/s/3lkcbxepqixkg4mv640dpvvg978ixjtf/file/756964987830