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

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London County Council 1949

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

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Tuberculous milk

The following are details of the sampling for bacteriological examination of

milk coming into London in churns by road and rail and the results of the

examinations:-

Source of sampleDesignation.SamplesPercentage positive of completed samples
TotalPositiveIncompleteNegative
19491948
(a) Supplied to London by road and rail in churnsOrdinary840†20297912.54.6
Accredited36†3_33**
Tuberculin tested2626--
(b) Plant at London depotsPasteurised15--15--
(c) Residential SchoolsOrdinary3--3--
Total92023298682.64.4

*The number of samples (36) is so few that a percentage could not be regarded as reliable.
†These figures include a second positive sample which was obtained from milk supplied
by each of two ordinary and one accredited herds. The total numbers of herds involved
were 18 ordinary and 2 accredited.
Investigations by officers of the Ministry of Agriculture into the origin of the
positive samples disclosed the presence of infection in 12 herds. As a result 14 cows
were slaughtered under the provisions of the Tuberculosis Order, 1938. Negative
results were obtained from the Ministry's investigation of 8 other herds but 8 cows,
which were presumed the source of the infection, had been removed from 5 of these
herds before the Ministry's investigations were completed.
Sanitary inspection
Reports of 240 instances of infestation were received from 218 establishments
controlled by the Council, e.g., restaurants, schools, rest centres, parks. Infestations
by rats, mice, cockroaches, bugs, ants, flies, etc., were dealt with and 208
disinfestations were satisfactorily completed by the end of the year.
2,800 visits of inspection were made to 589 civic restaurants, kitchens and
school meal centres.
Regular inspections, at least once a quarter, were made of 61 homes, hostels,
rest centres and other premises in connection with sanitary conditions.
A large number of complaints of insanitary home conditions were received
from the public. These were referred to Borough Health Departments.
Blind and partially-sighted persons
The following figures show the number of persons examined under the National
Assistance Act, 1948, for certification for blindness and the results:—
infestation
Restaurants
and catering
Welfare
establishments
Complaints