Vaccines are in the news every day as some countries struggle to improve vaccination rates and others struggle to access vaccines. A social science approach is needed to further explore what actions can be taken to optimize vaccine acceptance during a disease outbreak, with immediate lessons for...

In January 2021, the WHO Director-General, Dr Tedros Adhanom Ghebreyesus stated that “we now face the real danger that even as vaccines bring hope to some, they become another brick in the wall of inequality between the world’s haves and have-nots” and that “the world is on the brink of a...