In communities where smartphones and reliable news access aren't always a given, a mural can become a powerful public health tool.
At @uwezakenya's art gallery in Kibera, more than 30 artists are using colour, creativity and busy public spaces to share information about
Gavi, the Vaccine Alliance, helps vaccinate half the world’s children against deadly and debilitating diseases. French posts @gavi_fr #ForOurFuture

