Letter from Charles Calthrop De Burgh Daly to Sir Richard William Ford, Deputy Director Medical Services, Irish Command Quinine alone will cure malaria and prevent relapses while being taken but they will occur when the patient stops. He adds that Kharsivan or a combination of Kharsivan and quinine might have a permanent result and while trials have been "encouraging…time alone will show if the apparent cures are permanent. 5/11/1917