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3. Outbreaks Due to Identified Agents.
Total Outbreaks Nil Total Cases Nil
Outbreaks due to :—
(a) Chemical Poisons. (d) Cl. botulinum.
(b) Salmonella Or
ganisms
(c) Staphylococci (in- (e) Other bacteria.
cluding toxin)
Nil.
4. Outbreaks of Undiscovered Cause.
Total Outbreaks Nil Total Cases Nil
5. Single Cases.
Agent Identified Unknown Cause Total
1 duck egg ? Salmonella. 12 14
1 Salmonella
Typhi murium.
All were single cases except four. The articles suspected
included meat pudding, duck eggs, eel pies, ham, shell fish and
cream puffs, i.e., those articles of food long associated with food
poisoning. In only three instances was the suspected food consumed
away from home. The danger from insufficiently cooked
duck eggs cannot be overstressed—boiling should be for at least
ten minutes and they should not be used in lightly cooked foods.
No particular food was suspect in the typhi murium case who
was an excreter on hospital discharge in November, 1951, but was
negative in February, 1952.