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 1950

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

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Table: RatsDestroyed during1950.Table E(l) On Vessel s.

RatsDestroyed during1950.Table E

(l) On Vessel s.

Number ofjanfebmchaplmayjnejlyaugSepOctNovDecTotal in Year .
Slack Rats,106104146174237663391931984932471,791
brown Rats.----2--3.
species notrecorded------------–
Rats ewmineo. rp, rsIufecteo With Plague.291140.

Table: TABLE F(2) In Docks, Quays , Wharves and Warehouses.

TABLE F

(2) In Docks, Quays , Wharves and Warehouses.

Number ofJanFebMarAprMayJnejulyAugSepOctNovDecTotal in Year.
BlacK' Rats.309642955469374-2472755444402993612335,146.
Brown RatS.88882972843451944191071861462242542,632
Species not Recorded .-------------
Rats examined5641----------97
Rats infectedvith Plague-------------

Table: tablegMeasures of rat destruction on plague "infected" or "Suspected" vessels or vessels from plague infected Ports arriving in the port during the year.

tableg

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 ofSuch vessels arrivingnumber of Such vessels fumigated by so2No of rats Killed.number of such vessels fumigatedby hon.n? of rats killedof such vessels on whichtrap-ping, poisoning, etc. Employedno of Rats killed.number of such vessels on which measures of rat destruction werenot Carried out-
1,885--76.947(263 mice)295143(70 mice)1,590.

Table: Table H.DER ATI SATIOIN CERTIFICATES and DERATISATIOM EXEMPTION CERTIFICATES ISSUED DURING THE YEAR.

Table H.

DER ATI SATIOIN CERTIFICATES and DERATISATIOM EXEMPTION CERTIFICATES ISSUED DURING THE YEAR.

Net TonnageNo of ShipsNumber of Deratisation Certificates Issued.Number of Deratistion Exemption Certificates IssuesTotal Certificates issued.
After Fumigation withAfter trapping poisoning etcTotal
HCN.so2"1080"
Ships op to 3oo -tons1271---1126127
"Prom 301 to 1,000 tons1304--3-7123130
" " 1,001 to 10,000"1 3022---221 OS130
" " 3,0001 to 10,000"3816l---6l320381
" over 10,000 tons.4012---122540
Totals808100-3-103705808.

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