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 ol arrival. | From infected port. | Whether infected, or suspected. | Fumigation by Sulphur Dioxide. | Fumigation by Hydro-cyanic Acid. | Trapping, poisoning, &c. | No. oi rats killed. | Whether a certificate of deratisation was issued. | |
|---|---|---|---|---|---|---|---|---|---|
| 1923. | Brought forward | 2,038 | |||||||
| *Governor | Mar. 4 | Calcutta | .... (Suspected) | - | - | - | - | - | |
| Irmgard | 4 | Valencia | - | - | - | - | - | - | |
| 270 | Saar | 4 | Barcelona | - | - | - | - | - | - |
| Benvenue | 4 | Leonka | - | - | - | Ratcatcher | 36 | - | |
| Clan Lamont | 4 | Mauritius | - | - | - | Ratcatcher | 32 | - | |
| Aluda | 4 | Mombasa | - | - | - | - | - | - | |
| Roskva | 4 | Bathurst | - | - | - | - | - | - | |
| Gerda | 4 | Barcelona | - | - | - | - | - | - | |
| Novara | 5 | Calcutta | - | - | - | Traps | - | - | |
| Maindy Keep | 5 | Gibraltar | - | - | - | - | - | - | |
| Carnarvonshire | 5 | Kobe | - | - | - | Traps | 57 | - | |
| Malakuta | 6 | Calcutta | - | - | - | Traps | - | - | |
| 280 | Deutscher Rhein | 7 | Valencia | - | - | - | - | - | - |
| Nerma | 7 | Bougie | - | - | - | - | - | - | |
| Bjarmia | 7 | Burriana | - | - | - | - | - | - | |
| Sardinia | 7 | Yokohama | - | - | - | Traps | 50 | - | |
| Vard | 7 | Malaga | - | - | - | - | - | - | |
| Manchester City | 7 | Campana | - | - | - | - | - | - | |
| Marquesa | 8 | Buenos Aires | - | - | - | Traps & Poison | 22 | - | |
| Norman | 8 | Mombasa | - | - | - | Traps | - | - | |
| Bovenkerk | 8 | Calcutta | - | - | - | - | - | - | |
| Destro | 8 | Alexandria | - | - | - | Ratcatcher | - | - | |
| 290 | Delia | 8 | Genoa | - | - | - | - | - | - |
| Orm Jarl | 8 | Ditto | - | - | - | - | - | - | |
| Jertra | 8 | Valencia | - | - | - | - | - | - | |
| Hafnia | 8 | Ditto | - | - | - | - | - | - | |
| Polo | 9 | Constantinople | - | - | - | - | - | - | |
| Procyon | 9 | Rosario | - | - | - | - | - | - | |
| City of Agra | 10 | Madras | - | - | - | - | - | - | |
| Valencia | 10 | Bona | - | - | - | - | - | - | |
| Vaterland | 10 | Salonika | - | - | - | - | - | - | |
| Gibel Berif | 10 | Valencia | - | - | - | - | - | - | |
| 300 | Mahonada | 11 | Calcutta | - | - | - | Traps | - | - |
| Balranald | 11 | Sydney | - | - | - | Traps & Poison | 5 | - | |
| Arnfinn Jarl | 11 | Marseilles | - | - | - | - | - | - | |
| Katori Maru | 11 | Kobe | - | - | - | - | 13 | - | |
| Clan Macintyre | 11 | Calcutta | - | - | - | Traps | 21 | - | |
| Maindy Transport | 11 | Gibraltar | - | - | - | - | - | - | |
| Khyber | 12 | Bombay | - | - | - | - | 60 | - | |
| Governor | 12 | Calcutta | - | - | - | Traps | - | - | |
| Glenbeg | 12 | Vladivistock | - | - | - | Traps & Poison | - | - | |
| Sierra Leone | 12 | Genoa and Valencia | - | - | - | - | - | - | |
| 310 | Melville | 12 | Port Harcourt | - | - | - | Ratcatcher | 35 | - |
| Trudvenc | 12 | Cette & Spain | - | - | - | - | - | - | |
| Carried forward | 2,369 | ||||||||