London's Pulse: Medical Officer of Health reports 1848-1972

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London County Council 1952

[Report of the Medical Officer of Health for London County Council]

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T able IB — Combined diphtheria and whooping-cough antigen Poliomyelitis in the month of:

Immunised in the month ofNo. at risk19491950Total
Jan.Feb.Mar.AprilMayJuneJulyAug.Sept.Oct.Nov.Dec.Jan.Feb.Mar.ObservedExpected
0.000.000.010.00
January7110.01
0.000.010.000.01
February7180.02
0.010.020.020.02
March1,790110.07
0.010.020.020.03
April1,7080.08
0.010.020.040.82
May2,0300.89
0.010.030.700.53
June1,7142131.27
0.020.830.631.00
July .. ..2,044222172.48
0.410.630.980.58
August2,017381122.60
0.341.100.640.21
September2,22483112.29
0.170.210.070.02
October707330.47
0.070.050.020.02
November5170.16
0.010.010.010.01
December2900.04
Total diagonals observed1.062.933.143.253710.38
161551

Figures in italics are the expected cases calculated from the not inoculated group, see text.