London's Pulse: Medical Officer of Health reports 1848-1972

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Southwark 1969

[Report of the Medical Officer of Health for Southwark, Borough of]

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BACTERIOLOGICAL EXAMINATION OF FROZEN SHELLFISH, 1969

Country of originTypeNo. of Samples takenV anable con ntr at 3 7°C
Less than 100,000100,000-1,000,000More than 1,000,000
AustraliaRaw prawns10
Cooked prawns44
BrazilRaw prawns4
CanadaCooked prawns6350103
Crab meat44
Lobster meat22
Canned lobster7
ChileCooked prawns3636
ChinaRaw prawns44
Cooked prawns756672
Crab meat22
Lobster meat2
CubaRaw prawns76
CyprusCooked prawns22
FormosaCooked prawns Lobster meat88 180 18
Hong KongRaw prawns57
Cooked prawns312281
Crab meat22
Lobster meat211
IndonesiaRaw prawns13
Lobster meat2
JapanCooked prawns1131103
Crab meat32275
KenyaRaw prawns1
KoreaRaw prawns2
MalaysiaRaw prawns120
Cooked prawns13652
New ZealandRaw prawns4
PakistanRaw prawns287Salmonella organisms found in 5 samples
PersiaRaw prawns1
SenegalRaw prawns3
South AfricaCooked prawjis33
ThailandRaw prawns12
TrinidadRaw prawns7
U.S.A.Cooked prawns3838
Crab meat44
Totals1,167455528

Consignments of cooked Shellfish showing viable counts in excess of 1,000,000 were detained.
Where a consignment showed a viable count of between 100,000 and 1,000,00(J, the importer was
warned that the shellfish should be used immediately after defrosting.
A sample taken from one consignment of Pakistani Raw Prawns was found to contain
Salmonella paratyphi B; 131 Cartons were destroyed and the remainder re-exported. Samples taken
from other consignments were found to contain Salmonella augustenborg (1), Salmonella v rchow (1)
and Salmonella butantan (2). All these prawns were re-exported.
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