H—-31

(b) CALCULATED PERCENTAGE OF AGE GROUP AFFECTED BY POLIOMYELITIS, "SUSPECT" OR POSITIVE

Table IX—Progress of the Epidemic, Auckland Urban Area

92

(See Figs. XI and XII) - (a) MONTHLY CUMULATIVE TOTALS OP POSITIVE CASES, BY AGE GROUPS 1948. 1949. Sex Age Population, 1945 Ratio, Suspect to 1 1 | 1 1 Oct. 1 ■ Group. (Nearest 100). Positive Cases. Jan. Feb. Mar. Apr. May. June. July. | Aug. Sept, Nov. Dec, ! Jan. Feb. Mar. Apr. Males 011,600 100 : 1 17 19 20 23 24 | 26 28 28 29 29 29 29 31 33 I 33 1 34 58,800 100 : 1 19 19 20 20 22 ~ 24 25 30 30 33 35 35 37 41 42 44 | 108,000 300 : 1 4 4 5 5 6 11 13 15 16 17 17 19 20 24 26 27 1592,300 500 : 1 10 13* 14 14 15 16 18 19 19 19 20 22 29 30 30 30 Females 011,200 200 : 1 7 8 8 8 10 11 11 11 12 12 12 13 17 19 20 21 58,500 200 : 1 5 6 7 8 8 9 11 12 12 14 15 16 1.8 19 22 26 107,800 200 : 1 6 7 9 10 13 13 13 13 15 16 16 16 16 16 17 17 15110,200 1000 : 1 6 10 11 11 12 12 12 16 18 i 18 18 18 18 18 19 i 19 N.B, —Population figures are for 1945, and therefore lower than the actual populations at risk.

1948. 1949. Sex. Age Group. ■ | Jan. Feb. Mar. April. May. June. July. Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. April. - Males 015 16 17 20 21 22 24 24 25 25 25 25 27 29 29 29 5— 22 22 23 23 25 27 28 34 34 37 1 40 40 42 47 48 50 1015 15 19 19 23 41 ' 4956 60 64 64 71 75 90 98 100 155 7 8 8 8 9 10 10 10 10 11 12 16 16 16 16 Females 012 14 14 14 18 20 20 20 21 21 21 23 30 34 36 38 5— 12 14 16 19 19 21 28 28 28 33 35 38 42 45 52 61 1015 18 23 26 33 33 33 33 38 41 41 41 41 41 44 44 155 9 10 10 11 11 11 15 16 16 16 16 16 16 17 17 .