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48
(3) Outbreaks of undiscovered cause:—
Total outbreaks 1 Total cases 2
(4) Single cases:—
Agent identified 9 ; Unknown 11 ; Total 20
The high figure of notifications in the second quarter was due to
one outbreak at a residential institution in the area.
Adulteration of food
The number of samples taken during the year under the Food and
Drugs Act was 847, of which 105 were formal samples and 742 informal.
After examination the public analyst reported that 13 of the formal
and 13 of the informal samples were adulterated or below standard ;
the percentage adulteration amounted to 12-38 in the formal samples,
1-75 in the informal samples and 3-07 of all the samples submitted,
compared with 0-57 in the previous year.
The following table gives the groupings and the results of the
samples analysed :—