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

City of London 1947

[Report of the Medical Officer of Health for Port of London]

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Table: RATS DESTROYED DURING 1947. TABLE E. (1) ON VESSELS.

RATS DESTROYED DURING 1947. TABLE E. (1) ON VESSELS.

Number ofJanFebMchAplMayJneJlyAugSepOctNovDecTotal in year.
Black Rats3294505125064571944655072343161843224,476.
Brown Rats-------------
Species not recorded-------------
Rats examinee1 853874916375664559605054760.
Rats infected with plague-------------

Table: TABLE F.(2) IN DOCK, QUAYS, WHARVES AND WAREHOUSES.

TABLE F.

(2) IN DOCK, QUAYS, WHARVES AND WAREHOUSES.

Number ofJanFebMchAplMayJneJlyAugSepOctNovDecTotal in year.
Black Rats3341452281 80238942741781332381 671832,392.
Brown Rats1681 061081301661061381141261741701641,670.
Species not recorded-------------
Rats examined16137233412161714292525249
Rats infected with plague-------------

Table: TABLE G.MEASURES OP RAT DESTRUCTION ON PLAGUE "INFECTED" OR "SUSPECTED" VESSELS OR VESSELS PROM PLAGUE INFECTED PORTS ARRIVING IN THE PORT DURING THE YEAR.

TABLE G.

MEASURES OP RAT DESTRUCTION ON PLAGUE "INFECTED" OR "SUSPECTED" VESSELS OR VESSELS PROM PLAGUE INFECTED PORTS ARRIVING IN THE PORT DURING THE YEAR.

Total of such vessels ArrivingNumber of Such vessels fumigated by So2No. of Rats KilledNumber of such vessels Fumigated by HCN.No. of Rats KilledNo. of such vessels on which trad- ding, poison. ing rte was EmployedNo. of Rats KilledNo. of such yessels on which measures of rat destruetion were not garried out.
1,311——1132,572 (333 mice).306No record1,005.

Table: TABLE H.DERATISATION CERTIFICATES AND DERATISATION EXEMPTION CERTIFICATESISSUED DURING THE YEAR.

TABLE H.

DERATISATION CERTIFICATES AND DERATISATION EXEMPTION CERTIFICATES

ISSUED DURING THE YEAR.

NET TONNAGENo.OF SHIPSNumber of Deratisaton Certificates issuedNumber of deratisation exemption Certificates issuedTotal certifictes issued
After Fumioation withAfter trapping poisoining etc.Total
HCNSO2HCN and SO2
ships up to 300 tons.1124—--4108112
„from 301 to 1000 tons.IZI7---7114121
„ „ 1001 to 3000 tons12128----93121
" " 3,ooi To 1O.OOO tons.391108---108283391
„ over 10000 tons197-——71219
Totals764154---154610764

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