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(3) Clinical Features
(i) Average internal ingestion to onset: 24 — 48 hours.
(ii) Main symptoms: Stomach pains, vomiting and diarrhoea.
(iii) Severity of illness: In 5 cases moderately severe, others mostly
mild.
(iv) Duration of illness: Most cases were normal after 2-3 days
but faecal specimens have continued to be positive for Sal.
Indiana in some cases.
(4) Results of Laboratory Investigations (Summary)
Cases Sal. Indiana isolated from faeces in all cases.
Food Handlers .
Investigation carried out by London Borough of
Food Samples Hackney (see para. 6)
Other
(5) Origins and Preparation of Food Causing Outbreak
See para. 4
(6) Place at Which Food Causing Illness was Consumed
Shoreditch Town Hall, Old Street, E.C.I. (Turkish-Cypriot
Wedding Party) Estimated number of persons at risk - 250
approx.
(7) Probable Origin of Infection
Minced Chicken, forming part of a meal of minced chicken and
salad.
Public Health Act, 1961 — Section 41
Under the provisions of the above Act, 27 persons engaged in the food trade
were requested to discontinue their employment for varying periods with a view
to preventing the spread of a notifiable infectious disease. Compensation for
loss of earnings was made in those cases where such loss was sustained.
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