Opinion | The World Needs Many More Coronavirus Vaccines - The New York Times
https://www.nytimes.com/2021/04/24/opinion/covid-vaccines-poor-countries.html
South Australian coronavirus vaccine candidate shows positive results in phase one human trials - ABC News
https://www.abc.net.au/news/2020-08-01/sa-potential-coronavirus-vaccine-passes-first-phase/12514988