The COVID-19 pandemic changed how we think about vaccines. Now, researchers are using a method called discrete choice experiments to figure out what makes people pick one vaccine over another. This review looks at many studies that used this method to understand what influences people's decisions about COVID-19 vaccines. People's choices about vaccines are not rando...

Dar es Salaam, the bustling city in Tanzania, faced a unique challenge during the COVID-19 pandemic. The World Health Organization (WHO) had high hopes for vaccines as a key tool to fight the virus. Yet, the rollout didn't go as planned. The number of people getting vaccinated was much lower than expected. The reasons behind this slow uptake were not immediately clea...