Yellow CardFrom Kolawole Talabi for SciDev.Net: Corruption in Nigeria is potentially threatening public health on a global scale because of forgeries of yellow fever vaccination cards needed to travel. A lack of coordination and transparency in handing out the cards contribute to the problems, and experts say more needs to be done to combat forgeries.

[Reporting sponsored by individual donors referred by the Catalogue for Philanthropy-Greater Washington.]

Photo credit: Kolawole Talabi