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[Report 1960] / Medical Officer of Health, Northampton County Borough.

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Publication/creation
1960
Contributors
Northampton (England). County Borough Council.
Type/technique
Electronic books
Annual reports
MOH reports
Subjects
Disease Outbreaks
Public Health
Sanitation
Water Supply
Northampton (England)
Attribution and usage
Wellcome Collection
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The gangs were visited whilst working and each reported instances of seeing dead rats in the manholes on the eighth day. This can be looked upon as an indication of the effectiveness of the treatment. An examina¬ tion of the analysis of the treatment revealed that 461 manholes which shewed a complete take by the fourth day, shewed no takes or partial takes for the eighth day. This is a good indication, not only of the effectiveness of the poison but of the method of baiting. On the previous treatment with zinc phosphide this only occurred on 47 occasions. 186 manholes shewed complete takes on the fourth and eighth days, previously this figure was 554, undoubtedly due to the fact that on the first two visits prebait and not poison was used.