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 1949

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

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Table: RATS DESTROYED DURING 1949. TABLE E. (1) ON VESSELS.

RATS DESTROYED DURING 1949. TABLE E. (1) ON VESSELS.

Number ofJanFebMchAplMayJneJlyAugSepOctNovDecTotal in year.
Black Rats26136220992193337219222150801971752,497.
Brown Rats-------------
Species not Recorded.-------------
Rats examined585444277424281528152833428.
Rats infected With plague.-------------

Table: TABLE P.(2) IN DOCKS, QUAYS, WHARVES AND WAREHOUSES.

TABLE P.

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

Number ofJanFebMchAplMayJneJlyAugSepOctNovDecTotal in year.
Black Rats137140110871581721581382522513262732,202.
Brown Rats82145140556172548185154682001,197.
Species not Recorded.-------------
Rats examined3834179313224581103527388.
Rats infected With plague.-------------

Table: TABLE G.MEASURES OF RAT DESTRUCTION ON PLAGUE "INFECTED" OR "SUSPECTED" VESSELS OR VESSELS FROM PLAGUE INFECTED PORTS ARRIVING IN THEPORT DURING THE YEAR.

TABLE G.

MEASURES OF RAT DESTRUCTION ON PLAGUE "INFECTED" OR "SUSPECTED" VESSELS OR VESSELS FROM PLAGUE INFECTED PORTS ARRIVING IN THE

PORT DURING THE YEAR.

Total No Of Such vessels ArrivingNumber or Such vessels fumigated By So2NO of rats KilledNumber of Such vessels Fumigated By HCNNO OF Rats killedNo of Such Vessel on which trap- ping, pisoning etc., was EmployedNo of Rats KilledNo of Such Vessel on which Measures of rat Destruction were not carried out.
1,801.——961,345 (298 mice)3331751,468.

Table: TABLE H.DERATISATI0N CERTIFICATES AND DERATISATI0N EXEMPTION CERTIFICATESISSUED DURING THE YEAR.

TABLE H.

DERATISATI0N CERTIFICATES AND DERATISATI0N EXEMPTION CERTIFICATES

ISSUED DURING THE YEAR.

Net TonnageNo of shipsNumber of Deratistion certificates issuedNumber of Deratistion Exemption certificates IssuedTotal Certificates Issued
After Fumigation WithAfter trapping Poisonings ETC.Total
HCNSo2HCN and So2
Ships up to 3OO tons121-----121121
„from 301 To 1,000 Tons1275---5122127
” ” l,001 TO 3,000 „12822---22106128
” ” 3,001 TO 10,000 „386----84302386
” over 10,000 tons3112---121931
Totals793123---123670793

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