Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Port of London]
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SUMMARY
Number of Lighters inspected 2,649
Number of Lighters without any evidence
of rat infestation 2,404
Number of Lighters with negligible fresh
or old evidence, No action taken 164
Number of Lighters treated for rats 81
Number of dead rats recovered after
treatment 238
Number of rats sent for bacteriological
examination P/pestis. All results
were negative. 11
Year | No., of Lighters Inspected | % of Lighters without any Evidence | % of Lighters with negligible fresh or old Evidence No Action Taken | % of Lighters Treated for Rats | — No. of Dead Rats recovered after Treatment | Average No, of Rats recovered per Lighter Treated |
---|---|---|---|---|---|---|
1961 | 6366 | 84.9% | 13.5% | 1.6% | 848 | 8.1 |
1962 | 3793 | 86.8% | 11.7% | 1.5% | 483 | 8.5 |
1963 | 5408 | 89.0% | 9.4% | 1.6% | 732 | 8.4 |
1964 | 2062 | 91.7% | 6.0% | 2.3% | 195 | 4.0 |
1965 | 4565 | 79.0% | 19.5% | 1.5% | 377 | 5.4 |
1966 | 3294 | 90.1% | 8.5% | 1.4% | 172 | 3.7 |
1967 | 3153 | 92.1% | 6.1% | 1.8% | 277 | 4.9 |
1968 | 3487 | 92.2% | 6.0% | 1.8% | 248 | 3.9 |
1969 | 2686 | 91.3% | 5.5% | 3.2% | 263 | 3.1 |
1970 | 2649 | 90.7% | 6.2% | 3.1% | 238 | 2.9 |
Average 1961-1970 | 3746 | 88.0% | 10.2% | 1.8% | 3833 | 5.3 |
Number of. | Jan | Feb. | Mar. | April | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Black Rats | 27 | 68 | 43 | 37 | 59 | 13 | 11 | 17 | 26 | 18 | 13 | 13 | 345 |
Brown Rats | — | — | — | — | — | — | — | — | — | — | -3 | 1 | 4 |
Rats Examined | 4 | 8 | 3 | 4 | 2 | 1 | 2 | 1 | — | 2 | 2 | 7 | 36 |
Rats infected with Plague | - | - | - | - | - | - | - | - | - | - | - | - | - |
(2) In Docks, Quays, Wharves and Warehouses | |||||||||||||
Number of | Jan. | Feb. | Mar. | April | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Total |
Black Rats | 12 | 12 | 6 | 6 | 14 | 23 | 27 | 14 | 12 | 19 | 41 | 15 | 201 |
Brown Rats | 29 | 32 | 26 | 70 | 47 | 24 | 32 | 17 | 25 | 36 | 61 | 10 | 409 |
Rats Examined | — | 2 | — | — | 1 | — | 2 | — | — | — | — | — | 5 |
Rats Infected with Plague | - | - | - | - | - | - | - | - | - | - | - | - | - |
1182 Mice were also destroyed, 41 in vessels and 1141 in shore premises.
23