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London County Council 1951

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

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Table: Table 9—Administrative County of London—Notifiable infectious diseases—Annual number of notifications and numbers per 1,000 of population—1931.1951

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Table 9

—Administrative County of London—Notifiable infectious diseases—Annual number of notifications and numbers per 1,000 of population—1931.1951

Year	Anthrax		Meningococcal infection		Continued fever		Diphtheria		Dysentery		Acute Encephalitis (g)		Enteric fever		Erysipelas		Malaria		Measles		Ophthalmia neonatorum		Pneumonia		Poliomyelitis				Puerperal pyrexia		Scabies		Scarlet fever		Smallpox		Typhus		Whooping cough
Year	Cases	Rate	Cases	Rate	Cases	Rate	Cases	Rate	Cases	Rate	Cases	Rate	Oases	Rate	Cases	Rate	Cases	Rate	Cases	Rate	Cases	Rate	Cases	Rate	Cases		Rate		Cases	Rate	Cases	Rate	Cases	Rate	Cases	Rate	Cases	Rate	Cases	Rate
1931	2	0.0005	175	0.040	3	0.0007	8,384	1.90	58	0.013	40	0.009	186	0.042	2,294	0.521	32	0.007	(b)	(b)	629	(f) 9.60	6,880	1.562	56		0.013		828	(a) 12.20	(b)	(b)	12,025	2.73	1,452	0.330	—	—	(b)	(b)
1932	3	0.0007	247	0.057	4	0.0009	8,087	1.87	79	0.018	47	0.011	195	0.045	2,230	0.515	41	0.009	(b)	(b)	687	11.10	5,673	1.309	89		0.020		741	11.54	(b)	(b)	14,119	3.26	1,131	0.261	—	—	(b)	(b)
1933	3	0.0007	216	0.050	5	0.001	9,557	2.23	31	0.007	22	0.005	164	0.038	2,766	0.645	21	0.005	(b)	(b)	527	9.31	6,299	1.469		56	0.015		838	14.28	(b)	(b)	21,911	5.11	531	0.124	—	—	(b)	(b)
1934	3	0.0007	137	0.032	4	0.0009	11,782	2.79	58	0.014	29	0.007	109	0.026	2,586	0.613	30	0.007	(b)	(b)	467	8.24	5,569	1.320	74		0.018		758	12.91	(b)	(b)	18,238	4.32	144	0.034	—	—	(b)	(b)
1935	2	0.0005	105	0.025	3	0.0007	9,294	2.23	199	0.048	15	0.004	187	0.045	1,868	0.448	37	0.009	(b)	(b)	382	6.87	3,707	0.888	85		0.020		652	11.31	(b)	(b)	10,954	2.63	—	—	—	—	(b)	(b)
1936	—	—	113	0.027	4	0.001	7,030	1.68	304	0.072	12	0.003	255	0.061	1,815	0.432	35	0.008	(b)	(b)	462	8.10	4,141	0.986	38		0.009		635	10.92	(b)	(b)	10,705	2.55	—	—	—	—	(b)	(b)
1937	3	0.0007	175	0.043	6	0.001	7,810	1.91	916	0.224	8	0.002	216	0.053	1,764	0.432	42	0.010	(b)	(b)	453	8.26	4,798	1.175	108		0.026		793	13.94	(b)	(b)	8,455	2.07	—	—	—	—	(b)	(b)
1938	4	0.001	182	0.045	1	0.0002	7,611	1.88	1,049	0.259	5	0.001	191	0.047	1,829	0.451	16	0.004	282 (c)	0.28	489	9.00	3,962	0.978	134		0.033		853	15.18	(b)	(b)	8,093	2.00	—	—	—	—	1,891 (c) 10,537	1.87
1939	3	0.0008	169	0.045	3	0.0008	3,671	0.974	268	0.071	11	0.003	98	0.026	1,388	0.368	17	0.005	1,303	0.35	408	8.07	3,733	0.990	98		0.026		704	13.05	(b)	(6)	5,677	1.51	—	—	—	—	1,891 (c) 10,537	2.80
1940	3	0.001	839	0.274	6	0.002	1,844	0.601	161	0.052	8	0.003	158	0.052	1,076	0.351	16	0.005	5,447	1.78	303	7.10	2,688	0.876	20		0.007		472	10.66	(b)	(b)	2,498	0.81	—	—	—	—	669	0.218
1941	1	0.0004	706	0.298	2	0.0008	2,179	0.921	610	0.258	10	0.004	210	0.089	1,171	0.495	13	0.005	11,039	4.67	185	6.67	2,518	1.064	41		0.017		340	12.06	(b)	(b)	2,372	1.00	—	—	—	—	7,944	3.36
1942	1	0.0004	341	0.142	1	0.0004	1,813	0.756	749	0.312	3	0.001	67	0.028	1,034	0.431	16	0.007	19,987	8.33	210	5.18	2,246	0.936	25		0.010		505	12.06	(b)	(b)	4,416	1.84	2	0.0008	—	—	6,234	2.60
1943	4	0.002	231	0.093	1	0.0004	1,862	0.747	1,103	0.442	4	0.002	47	0.019	1,054	0.423	35	0.014	22,882	9.18	233	5.19	3,159	1.267	43		0.017		471	10.20	9,689 (d)	9.18	9,477	3.80	—	—		—	6,661	2.67
1944 (e)	—	—	150	0.061	—	—	758	0.308	1,450	0.589	2	0.0008	30	0.012	916	0.372	78	0.032	7,329	2.98	211	4.74	2,292	0.931	17		0.006		399	8.73	16,450	6.70	3,862	1.57	2	0.0008	—	—	7,136	2.90
1945 (e)	—	—	145	0.056	1	0.0004	801	0.308	1,867	0.718	3	0 001	28	0.011	818	0.314	93	0.036	23,486	9.03	222	4.88	1,930	0.742	63		0.024		515	11.05	14,753	5.69	4,079	1.57	3	0.001	3	0.001	3,264	1.25
1946 (e)	—	—	184	0.059	—	—	747	0.240	845	0.272	6	0.002	44	0.014	844	0.271	168	0.054	22,846	7.35	268	4.08	2,125	0.683	29		0.009		553	8.19	11,892	3.84	4,402	1.42	2	0.0006	—	—	6,887	2.22
1947 (e)	2	0.0006	166	0.050	—	—	451	0.136	309	0.093	7	0.002	48	0.015	742	0.224	47	0.014	17,486	5.28	231	3.24	2,110	0.638	702		0.212		441	6.05	5,304	1.60	4,331	1.31	3	0.001	1	0.0003	9,267	2.80
1948 (e)	1	0.0003	110	0.033	1	0.0003	335	0.100	704	0.211	1	0.0003	48	0.014	719	0.215	33	0.010	30,608	9.17	224	3.68	1,891	0.566	141		0.042		460	7.40	2,484	0.74	4,568	1.37	—	—	—	—	10,450	3.13
1949 (e)	3	0.0009	76	0.023	—	—	221	0.065	440	0.130	4	0.001	58	0.017	583	0.173	21	0.006	28,816	8.54	186	3.29	1,858	0.550	668		0.198		433	7.51	1,311	0.39	4,945	1.46	3	0.001	—	—	5,754	1.70
																									Paralytic		Non-par.
1950 (e)	2	0.0006	90	0.027	—	—	81	0.024	960	0.283	18	0.005	63	0.019	566	0.167	20	0.006	22,282	6.57	145	2.72	1,691	0.499	Cases 267	Rate 0.079	Cases 163	Rate 0.048	371	6.83	823	0.24	4,157	1.23	—	—	—	—	10,875	3.21
1951 (e)	1	0.0003	108	0.032	—	—	30	0.009	4,069	1.212	19	0.006	66	0.020	496	0.148	23	0.007	49,148	14.64	93	1.78	2,409	0.717	61	0.018	51	0.015	911	17.04	572	0.17	3,705	1.10	—	—	1	0.0003	10,448	3.11

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(a) Rate per 1,000 total births. (6) Comparable figures not available for this period, (c) Cases relate to last quarter only — Rates are adjusted on an annual
basis (d) Cases relate to last 22 weeks only—Rates are adjusted on an annual basis. (e) In order to preserve uniformity with published national figures the recently
instituted practice of the Registrar.General has been followed in producing this table, namely in taking full account of any known changes in diagnosis after the
receipt of the original notification. These corrections were not available prior to 1944, and for 1931.43 uncorrected figures are given, but on the basis of dual records
kept from 1944.47, comparable figures can be obtained by multiplying the uncorrected notifications by the following factors:—Meningococcal infection 0.730,
Diphtheria 0.599, Dysentery 0.908, Encephalitis lethargica 0.545, Enteric fever 0.721, Erysipelas 0.977, Measles 1.001, Ophthalmia neonatorum 1.004, Pneumonia
0.964, Poliomyelitis, including polioencephalitis 0.845, Puerperal pyrexia 1.002, Scarlet fever 0.950, and Whooping cough 1.002. Correction factors are not
available for malaria and scabies and in these two diseases the corrected figure of notifications is given for 1947 only. (f) Rate per 1,000 live births (g) Up to 1949
the figures relate to encephalitis lethargica.

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London County Council 1951

Table: Table 9—Administrative County of London—Notifiable infectious diseases—Annual number of notifications and numbers per 1,000 of population—1931.1951

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