Since 2014, bird flu has been sweeping through West Africa.
Burkina Faso, Ivory Coast, Ghana, Niger and Nigeria have all been hit by the H5N1 virus and it has decimated poultry populations, costing billions of dollars. The virus has often been spread by migrating wild birds, and it has been very difficult to contain.
Earlier this year it hit Cameroon, where there are real fears for the country’s poultry industry. From the capital Yaounde, the BBC’s Suzanne Vanhooymissen reports for Africa Business Report .