H—3l

Table IV.—Distribution of Illnesses Recorded at First Visit, by Types of Family

Table V.—Forty Affected Households: Positive Cases, and Suspect Illnesses, in Age/Sex Groups

91

(See page 72) Families .. .. .. -f I I Illnesses Duration Under 4 Days. Illnesses Duration 4 Days or Over. Adults Only. Pre-school Only. With Schoolchildren. Adults Only. Pre-school Only. With Schoolchildren. A* (295) A (79) P (47) (343) S (246) P (81) (295) A (79) P (47) (343) s (246) P (81) Before 1st November— Test areas Controls Tests.. .. Controls .. After 1st November— Test areas Controls .. Tests Controls 12 0 3 0 1 3 8 6 5 5 1 3 4 3 0 1 4 1 3 5 4 1 2 0 1 12 0 4 3 Y 14 14 4 3 4 2 7 8 6 10 9 0 V 8 3 15 15 34 21 2 8 j 4 8 4 4 2 4 11 3 18 8 1 6 1 0 6 10 17 3 51 44 4 8 6 8 35 11 * " A " = adults ; "V" — pre-school children ; " S " = school-children.

(See page 73) Xumber. Per 100 in Each A/S Group. Age Group. Contacts 111 Contacts 111 Positive Cases. Before or Concurrent. After +ve Case. Positive Cases. Before or Concurrent. After +ve Case, Male Children 5— 1015 8 3 4 6 6 5 1 2 56 42 25 15 32 50 19 5 17 Female children 55 6 3 4 6 5 0 2 2 33 30 19 27 30 50 0 10 12 Aged fifteen and over Male .. Female 3 1 6 9 4 12 6 2 12 16 8 21