London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
City of London 1971
[Report of the Medical Officer of Health for Port of London]
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TABLE SHOWING FIGURES AND STATISTICS FOR THE PAST TEN YEARS
| Year | No. of Lijghtgts Inspeced | % 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 |
|---|---|---|---|---|---|---|
| 1962 | 3,793 | 86.8% | 11.7% | 1.5% | 483 | 8.5 |
| 1963 | 5,408 | 89.0% | 9.4% | 1.6% | 732 | 8.4 |
| 1964 | 2,062 | 91.7% | 60% | 2.3% | 195 | 4.0 |
| 1965 | 4,565 | 79.0% | 19.5% | 1.5% | 377 | 5.4 |
| 1966 | 3,294 | 90.1% | 8.5% | 1.4% | 172 | 3.7 |
| 1967 | 3,153 | 92.1% | 6.1% | 1.8% | 277 | 4.9 |
| 1968 | 3,487 | 92.2% | 6.0% | 1.8% | 248 | 3.9 |
| 1969 | 2,686 | 91.3% | 5.5% | 3.2% | 263 | 3.1 |
| 1970 | 2,649 | 90.7% | 6.2% | 3.1% | 238 | 2.9 |
| 1971 | 3,545 | 93.6% | 3.9% | 2.5% | 177 | 1.9 |
| Average 1962-1971 | 3,464 | 89.1% | 8.9% | 2.0% | 316 | 4.7 |
TABLE E
Rodents destroyed (bodies recovered) during the year in ships from foreign ports and in shore premises. (1) On Vessels
| Number of:— | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Black Rats | 12 | 33 | 37 | 48 | 119 | 39 | 20 | 3 | 16 | 9 | 20 | 2 | 358 |
| Brown Rats | — | — | — | — | 2 | — | — | — | — | — | — | — | 2 |
| Rats Examined | 3 | 5 | 7 | 8 | 7 | 1 | — | 2 | 1 | 2 | 4 | 1 | 41 |
| Rats infected with Plague | — | — | — | — | — | — | — | — | — | — | — | — | — |
(2) In Docks, Quays, Wharves and Warehouses
| Number of:— | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Black Rats | 20 | 24 | 30 | 43 | 90 | 14 | 62 | 56 | 56 | 74 | 46 | 48 | 563 |
| Brown Rats | 12 | 24 | 66 | 34 | 30 | 111 | 56 | 37 | 32 | 8 | 26 | 32 | 468 |
| Rats Examined | 1 | — | — | 3 | 1 | — | 1 | — | — | — | — | — | 6 |
| Rats Infected with Plague | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 860 Mice were also destroyed, 33 in vessels and 827 in shore premises. | |||||||||||||
TABLE F
Deratting Certificates and Deratting Exemption Certificates Issued during the Year for Ships on arrival from Foreign Ports
| NO. OF DERATTING CERTIFICATES ISSUED | Number of Deratting Exemption: Certificates Issued | Total Certificates Issued | ||||
|---|---|---|---|---|---|---|
| After Fumigation with | After Trapping | After Poisoning with "1080" | Total | |||
| HCN | Other Fumigants | |||||
| Nil | 2 | Nil | 4 | 6 | 816 | 822 |