In 2007, the Ministry of Health in Kenya issued a warning about counterfeit antimalarial medication Duo-Cotecxin being sold in Nairobi and how to detect it. 
Mwaka wa 2007, idara ya afya Kenya iliwatahadharisha wananchi kuhusu dawa za malaria za Duo-Cotecxin ambazo zilikuwa zinauzwa sana Nairobi na jinsi ya kuzitambua.