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 1938
[Report of the Medical Officer of Health for Port of London]
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Rats Destroyed during 1938. TABLE E. (1) On Vessels.
| Number of | Jan. | Feb. | Mar. | April. | May. | June. | July. | Aug. | Sept. | Oct. | Nov. | Dec. | Total in Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hack Rats | 87 | 88 | 58 | 77 | 61 | 46 | 96 | 63 | 111 | 81 | 117 | 65 | 950 |
| Brown Rats | nil | nil | nil | 2 | nil | 3 | nil | nil | 4 | nil | 1 | 1 | 11 |
| Species not Recorded | 330 | 225 | 207 | 199 | 103 | 322 | 277 | 256 | 189 | 141 | 145 | 168 | 2,562 |
| Rats examined | 87 | 88 | 58 | 79 | 61 | 49 | 96 | 63 | 115 | 81 | 118 | 66 | 961 |
| Rats infected with Plague | nil | nil | nil | nil | nil | nil | nil | nil | nil | nil | nil | nil | nil |
| See also Appendices XXIII. and XXIV. | |||||||||||||
TABLE F.
(2) In Docks, Quays, Wharves and Warehouses.
| Number of | Jan. | Feb. | Mar. | April. | May. | June. | July. | Aug. | Sept. | Oct. | Nov. | Dec. | Total in Year. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Black Eats | 57 | 55 | 59 | 43 | 90 | 37 | 45 | 55 | 73 | 84 | 106 | 65 | 769 |
| Brown Bats ... | 30 | 30 | 43 | 59 | 67 | 31 | 61 | 88 | 71 | 54 | 55 | 55 | 644 |
| Species not Recorded | 299 | 243 | 219 | 394 | 253 | 226 | 271 | 188 | 245 | 329 | 249 | 385 | 3,301 |
| Rats examined | 87 | 85 | 102 | 102 | 157 | 68 | 106 | 143 | 144 | 138 | 161 | 120 | 1,413 |
| Rats infected with Plague | nil | nil | nil | nil | nil | nil | nil | nil | nil | nil | nil | nil | nil |
| EATS EXAMINED—Vessels, Docks, Quays, &c. 2,374 | |||||||||||||
TABLE G.
Measures of Rat Destruction on Plague "Infected" or "Suspected" Vessels or Vessels from Plague Infected Ports arriving in the Port during the Year.
| Total Number of inch Vessels arriving. | Number of such Vessels fumigated by 802. | Number of Rats Killed. | Number of such Vessels fumigated by HCN. | Number of Rats Killed. | Number of such Vessels on which Trapping, Poisoning, &c., were employed. | Number of Rats Killed. | Number of such Vessels on which measures of Rat Destruction were not carried out |
|---|---|---|---|---|---|---|---|
| 1. | 2. | 3. | 4. | 6. | 6 | 7. | 8. |
| 2,532 | 32 | 381 | 81 | 692 (15 mice.) | 1,202 | 1,997 | 1,330 |
TABLE H.
Deratisation Certificates and Deratisation Exemption Certificates issued during the Year.
| net tonnage. | Number of Ships. | Number of Deratisation Certificates Issued. | Number of Deratisation Exemption Certificates issued. | Total Certificates issued. | ||||
|---|---|---|---|---|---|---|---|---|
| After Fumigation with | After Trapping, Poisoning, &c. | Total. | ||||||
| HCN. | Sulphur. | HCN. and Sulphur. | ||||||
| 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. |
| Ships up to 300 tons | 295 | — | — | — | — | — | 295 | 295 |
| „ from 301 „ to 1,000 tons | 283 | 3 | l | — | — | 4 | 279 | 283 |
| „ „ 1,001 ,, ,, 3,000 ,, | 198 | 8 | 11 | - | — | 19 | 179 | 188 |
| „ „ 3,001 „ „ 10,000 „ | 311 | 52 | 22 | — | — | 74 | 237 | 311 |
| „ over 10,000 „ | 49 | 29 | — | — | 29 | 20 | 49 | |
| Totals | 1,136 | 92 | 34 | — | — | 126 | 1,010 | 1,136 |