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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Methods of Rat Destruction Employed-
| Name of Vessel. | Date of arrival. | From infected port. | Whether infected, or suspected. | Fumigation by Sulphur Dioxide. | Fumigation by Hydro-cyanic Acid. | Trapping, poisoning, &c. | No. of rats killed. | Whether a certifi-cate of deratisation was issued. | |
|---|---|---|---|---|---|---|---|---|---|
| 1923. | Brought forward | 5,483 | - | ||||||
| Castilian | July 18 | Alexandria | - | - | - | Ratcatcher | - | - | |
| Maihar | 18 | Calcutta | - | - | - | Traps | - | - | |
| Orm Jarl | 20 | Genoa (via Valencia) | - | - | - | - | - | - | |
| Moorfoot | 20 | Ditto | - | - | - | - | - | - | |
| Kolberg | 20 | Naples, &c. | - | - | - | - | - | - | |
| Glenariffe | 20 | Vladivostok | - | - | - | Traps | 14 | - | |
| Riiperkerk | 21 | Zanzibar | - | - | - | - | - | - | |
| Clan MacNiel | 21 | Marmagoa | - | - | - | Traps | - | - | |
| 810 | Gerzan | 21 | Brisbane | - | - | - | - | - | - |
| Gloucester Castle | 21 | Bevia | - | - | - | - | - | - | |
| Clan Macintosh | 22 | Tamatave | - | - | - | Traps | 2 | - | |
| Kalvan | 23 | Bombay | - | - | - | Traps | - | - | |
| Makalla | 23 | Calcutta | - | - | - | Traps | - | - | |
| Frankenfels | 23 | Rosario | - | - | - | Ratcatcher | - | - | |
| Modasa | 23 | Beira | - | - | - | - | - | - | |
| Dunluce Castle | 23 | Beira | - | - | - | - | - | - | |
| Margha | 23 | Calcutta | - | - | - | - | 36 | - | |
| Celtic Star | 24 | Zarate | - | - | - | - | - | - | |
| 820 | Sudman Meito | 24 | Lisbon | - | - | - | - | - | - |
| Trevellard | 25 | Calcutta | - | - | - | - | - | - | |
| Herefordshire | 25 | Rangoon | - | - | - | Traps | - | - | |
| Generale Petetti | 25 | Karachi | - | - | - | - | - | - | |
| Delia | 25 | Genoa (via Valencia) | - | - | - | - | - | - | |
| Mirzapore | 26 | Bombay | - | - | - | Traps | - | - | |
| Eros | 26 | Valencia | - | - | - | - | - | ||
| Junin | 26 | (?) South America | - | - | - | - | - | - | |
| Sardinia | 26 | Yokohama | - | - | - | Traps | 50 | - | |
| Cortez | 26 | Barcelona | - | - | - | - | - | - | |
| 830 | Cartagena | 26 | Ditto | - | - | - | - | - | - |
| Saar | 26 | Ditto | - | - | - | - | - | - | |
| Eilesburgh | 26 | Rosario | - | - | - | - | - | - | |
| Stentor | 27 | Macassar | - | - | - | - | - | - | |
| Delambre | 27 | Rosario | - | - | - | - | - | - | |
| Balholm | 27 | Danzig | - | - | - | - | - | - | |
| Trevarrack | 27 | Bahia Blanca | - | - | - | - | - | - | |
| Caledonia | 28 | Bombay | - | - | - | Traps | 37 | - | |
| Nellore | 28 | Calcutta | - | - | - | Traps | 58 | - | |
| Clan Alpine | 28 | Java | - | - | - | - | 9 | - | |
| 840 | Ameer Mary | 28 | Kobe | - | - | - | - | - | - |
| Menado | 29 | Durban | - | - | - | - | - | - | |
| Baron Cawder | 29 | Java | - | - | - | - | - | - | |
| Carried forward | 5,689 | ||||||||