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

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Surbiton 1951

[Report of the Medical Officer of Health for Surbiton]

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The following is a summary of the several treatments carried out since disinfestation of sewers commenced in 1948:-

DateDescriptionNo.of manholes pre-baitedTakes of pre-baitTakes of poison "bait.
April,19481st Initial treatment2187731
July,19482nd " "77148
February,19491st Maintenance treatment804910
July,19492nd " "71207
March,19503rd " "584121
July,19504th " "412013
February,19515 th " "571715
August,19516 th "35146

Results of Initial and Annual Test Baiting:-

No.of manholes baitedTakes of bait% of takes.
Initial 1947/83846416.666
Second 1948160138.125
Third 194922983.493
Fourth 195025093.600
Fifth 1951200115.600

X These "areas" are just a convenient geographical division of the Borough for the
purposes of this work.
38.