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 1965
[Report of the Medical Officer of Health for Southwark, Borough of]
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BACTERIOLOGICAL EXAMINATION OF SHELLFISH, 1965
| 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 | Frozen Scallops | 10 | 9 | 1 | — |
| Chile | Frozen Prawns and Langostinos (Cooked) | 127 | 93 | 29 | 5 |
| China and Hong Kong | Frozen Prawns and Langostinos: | ||||
| Cooked | 13 | 3 | 5 | 5 | |
| Raw | 77 | 67 | 10 | — | |
| East Africa | Frozen Prawns and Langostinos (Cooked) | 5 | 4 | 1 | — |
| French Guiana | Frozen Prawns (Cooked) | 4 | 4 | — | — |
| Japan | Frozen Prawns (Cooked) | 316 | 291 | 22 | 3 |
| Frozen Oysters | 1 | 1 | — | — | |
| South Africa | Frozen Langostinos (Cooked) | 3 | 3 | — | — |
| South Vietnam | Frozen Prawns (Raw) | 2 | 1 | — | 1 |
| U.S.A. (Alaska) | Frozen Crab Meat | 7 | 7 | — | — |
| Totals | 565 | 483 | 68 | 14 | |
Consignments of Cooked Prawns showing viable counts in excess of 1,000,000 were detained. Where a
consignment showed a viable count of between 100,000 and 1,000,000, the importer was warned that the prawns
must be used immediately after defrosting.
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