Two and a half years into the pandemic, more than 12 billion COVID-19 vaccine doses have been administered worldwide, and more than 5 million are being administered each day. People in many high-income countries, including Australia, are now receiving their third or fourth dose. But the distribution of vaccines globally is still vastly unequal. More than 80% of people in low-income countries have not yet received a single dose.
In January 2021, the Director-General of the World Health Organization warned bluntly:
