— 61 — One case of amoebic dysentery occurred among the British troops, 11 among Sudan Defence Force troops and one in Central Prison.

Age Periods:— Under 1 1 - 10 10-20 20-30 30-40 40-50 50-60 Over 60 Undefined 23 34 79 32 12 10 6 45 Bacillary Dysentery.

Sexes:— Males .. Females Nationalities.

67 16 British Other Europeans Egyptians and Syrians Natives of the Sudan Age periods:— 1-10 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 33 2 6 42 Undefined* 7 9 35 17 5 3 Types of organism :— Hiss and Russell Flexner Shiga Undefined British troops eases :— Khartoum Khartoum North Imported Total Types of organism :<— H ss and Russel Flexner Shiga Undefined Sudan Defence Force troops cases :— Khartoum Khartoum North Omdurman Imported Total Types of organism:— Flexner Shiga Central Prison Cases:— 7 (Flexner 5, Shiga 2).

4 44 23 12 / 2 2 11 2 6 1 2 2 4 2 1 9 7 2