Dr Philip Lee. (2021, March 17). It’s been 100 days since the first dose of the SARS2-CoV vaccine was given in the UK, and 24.8 million people have received their first dose since. That is pretty amazing. [Tweet]. @drphiliplee1. https://twitter.com/drphiliplee1/status/1372162781823303681

simine vazire. (2021, August 27). Great to see numbers continuing to climb; seems like they’re climbing maybe as fast as supply allows! [Tweet]. @siminevazire. https://twitter.com/siminevazire/status/1431187367834972162

Michael McCarthy. (2021, August 27). #COVD19 vax rates are still increasing in Australia. The over 70s are approaching 90% with first doses. The red line is the rate for all people >=16. That should reach 60% soon. Https://t.co/NH3Q7jumgT [Tweet]. @mickresearch. https://twitter.com/mickresearch/status/1431185640884826112

Lawrence Gilder on Twitter. (n.d.). Twitter. Retrieved 15 November 2021, from https://twitter.com/LawrenceGilder/status/1449030844132298764

Blackwell, T. (2022, January 17). Vaccine mandates increased uptake of COVID shots by almost 70%, Canadian study finds. National Post. https://nationalpost.com/news/canada/vaccine-mandates-increased-uptake-of-covid-shots-by-almost-70-canadian-study-finds

ReconfigBehSci on Twitter. (n.d.). Twitter. Retrieved 13 September 2021, from https://twitter.com/SciBeh/status/1436020285195493398

Feinmann, J. (2021). How the world is (not) handling surplus doses and expiring vaccines. BMJ, 374, n2062. https://doi.org/10.1136/bmj.n2062

Press ·, The Canadian. “Demand for COVID-19 Vaccines Dropping in Canada — and Some Fear It Could Mean Tossed Doses | CBC News.” CBC, July 21, 2021. https://www.cbc.ca/news/health/covid-vaccine-demand-dropping-canada-1.6111448.