Reduction of Malaria Transmission to <italic>Anopheles</italic> Mosquitoes with a Six-Dose Regimen of Co-Artemether oleh Sutherland Colin J, Ord Rosalynn, Dunyo Sam, Jawara Musa, Drakeley Christopher J, Alexander Neal, Coleman Rosalind, Pinder Margaret, Walraven Gijs, Targett Geoffrey A. T