This week the World Health Organization took measures to counter misinformation, outlining trustworthy online sources when it comes to immunisation information. The CDC kept up its vaccine advocacy on Twitter with the image above.

The role of civil society organisations in campaigning for and delivering vital vaccines in lower income countries was fully recognised at a meeting in Bangladesh, while Results for Development continued to explore the challenges and opportunities for countries to fund their own immunisation programmes.

And finally, in response to Bill and Melinda Gates’ Annual Letter, artists and designers created visual representations of various aspects of child health and progress, in recognition of the Gates’ optimism.