1. Some vaccine makers say they plan to profit from coronavirus vaccine. New York Times 2020 Jul 21. https://www.nytimes.com/2020/07/21/health/covid-19-vaccine-coronavirus-moderna-pfizer.html
2. Pfizer reaps hundreds of millions in profits from covid vaccine. New York Times 2021 May 4. https://www.nytimes.com/2021/05/04/business/pfizer-covid-vaccine-profits.html
3. Moderna accused of parking vaccine profits in tax havens: report. Politico 2021 Jul 13.https://www.politico.eu/article/moderna-vaccine-profits-tax-havens/
4. From Pfizer to Moderna: who's making billions from Covid-19 vaccines? Guardian 2021 Mar 6. https://www.theguardian.com/business/2021/mar/06/from-pfizer-to-moderna-whos-making-billions-from-covid-vaccines
5. AstraZeneca sales of Covid vaccine triple to $1.2bn in first half of 2021. Guardian 2021 Jul 29. https://www.theguardian.com/business/2021/jul/29/astrazeneca-sales-of-covid-vaccine-triple-in-first-half-of-2021]