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
Southwark 1970
[Report of the Medical Officer of Health for Southwark, Borough of]
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BACTERIOLOGICAL EXAMINATION OF FROZEN SHELLFISH, 1970
| Country of origin | Type | No. of Samples taken | Viable counts at 37°C. | |||
|---|---|---|---|---|---|---|
| Less than 100.000 | 100,000-1.000,000 | More than 1,000,000 | ||||
| Australia | Raw prawns | 18 | ||||
| Brazil | Cooked prawns | 2 | 2 | |||
| Canada | Cooked prawns | 27 | 25 | 2 | ||
| Crab meat | 4 | |||||
| Ceylon | Cooked prawns | 1 | 1 | |||
| Raw prawns | 9 | |||||
| Chile | Cooked prawns | 29 | 29 | |||
| China | Cooked prawns | 36 | 18 | 14 | 4 | |
| Raw prawns | 90 | |||||
| Cuba | Raw prawns | 4 | ||||
| Denmark | Cooked prawns | 21 | 16 | 2 | 3 | |
| Formosa | Cooked prawns | 166 | 153 | 13 | ||
| Raw prawns | 4 | |||||
| Lobster meat | 2 | |||||
| Hong Kong | Cooked prawns | 60 | 16 | 38 | 6 | |
| Raw prawns | 25 | |||||
| Lobster meat | 13 | |||||
| India | Raw prawns | 9 | ||||
| Indonesia | Raw prawns | 2 | ||||
| Japan | Cooked prawns | 162 | 158 | 4 | ||
| Crab meat | 6 | |||||
| Lobster meat | 14 | |||||
| Malaysia | Cooked prawns | 172 | 101 | 60 | 11 | |
| Raw prawns | 399 | Salmonella organisms found in 5 samples | ||||
| Lobster meat | 10 | |||||
| Mexico | Cooked prawns | 2 | 2 | |||
| Pakistan | Raw prawns | 290 | Salmonella organisms found in 4 samples | |||
| Senegal | Raw prawns | 8 | ||||
| Thailand | Cooked prawns | 4 | 4 | |||
| Raw prawns | 3 | |||||
| U.S.A. | Cooked prawns | 130 | 102 | 24 | 4 | |
| Crab meat | 8 | |||||
| Totals | (Cooked (Raw | 812 918 | 626 | 157 | 29 | |