The anti-vaccine movement is the product of a structural problem, reflecting a lack of trust in the existing global vaccine governance.
The Trump administration wants to go it alone when it comes to vaccine development and distribution. What does this mean for the U.S. and the world?
The current pneumococcal conjugate vaccine immunisation schedule requires three doses of the vaccine. These are usually the most expensive vaccines in childhood immunisation programmes.
With $1 billion in advance purchase agreements for COVID-19 vaccines, Canada has joined the vaccine nationalists: rich countries buying up more than half the global short-term supply of vaccine.
Should the US be able to pre-order vaccines for its citizens when other populations around the globe are at greater risk?
Rotavirus vaccines are expensive and take time to produce. For developing countries, the fact that the vaccines need cold storage also presents a challenge.
Despite Nigeria's success in eradicating polio, it is struggling to get a grip on mother and child vaccinations.