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11
Fatality Rates per 1,000
notifications each age group Percentage of notifications
(1941-1950) (1941-1950)
Under 1 1—5 5 & upwards Under 1 1—5 5 & upwards
Measles 10.90 0.87 — 6.1 54.7 39.2
Whooping
Cough 55.77 5.58 — 13.0 59.8 27.2
The highest fatality rates in both measles and whooping cough are in children
under the age of one year. In children under one with whooping cough, approximately
one case in 18 is fatal, which is over four times the corresponding rate for
measles.
59.8 per cent. of all cases of whooping cough and 54.7 per cent, of all cases of
measles occur in children 1-5 years. Although it is still the subject of medical
enquiry, whooping cough vaccination is being increasingly requested by parents.
London (Measles and Whooping Cough) Regulations, 1938.
Home visiting of measles and whooping cough cases was carried out by the
Home Visitors as under—
No. of Investigations.
Measles Whooping Cough No. of Ineffective Visits. Re-visits
2,339 774 461 15
Acute Poliomyelitis and Polioencephalitis.
Outbreaks of poliomyelitis and polioencephalitis occurred in 1947 and 1949,
and 1950 proved to be the third post-war year in which these infections occurred
in appreciable numbers.
The cases reported for each of the three years are set out us under:—
No. of Cases reported 1950 54
1949 88
1947 52
No. of CONFIRMED cases 1950 31
1949 62
1947 22
(а) Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
1950 1 — 1 — 2 2 10 10 1 2 2 —
1949 — — — — — — 9 6 17 18 8 4
1947 — — 1 1 — 1 2 6 4 4 3 —
(b) Under 1 yr. 1— 6— 15— 25 and over
1950 1 11 12 4 3
1949 3 35 17 2 5
1947 1 6 5 7 3
(c) Deaths—1950—2 (6 years ; 12 years). The onset of the disease of the 6-year-old was
in 1949.
1949—2 (2 years ; 26 years).
1947—3 (10 months ; 5 years ; 24 years).
The nature of the general precautions taken was largely the same as in previous
years when outbreaks occurred, and the distribution of the cases occurring, with
the time of their occurrence, is indicated on the accompanying spot-map.