38 YELLOW FEVER PROPHYLAXIS IN NEW ORLEANS 



organisations, only now it was carried out with renewed energy and 

 precision. It consisted in : — 



1. Discovering every case of Yellow Fever and isolating it. 



2. Killing all Stegomyias. 



3. General warfare against all mosquitoes, except swamp. 



4. Ensuring that each Ward was fully equipped with its forces of 

 inspectors, oilers, screeners, fumigators and others as wanted, and that 

 there was an adequate number of men. 



Each Ward Of&ce was in telephonic communication with the 

 Central Office. 



Under the Marine Hospital Surgeon in each Ward were placed 

 one or more medical assistants, young local medical men, chosen on 

 account of their local knowledge and ability, and a staff of workmen, 

 varying from 28 to 128. 



Each Ward Centre was furnished with a supply of — 



Fumigating Materials — Sulphur, pyrethrum, pots for fumigating, 



paper, paste, laths and all accessories 

 for sealing. 



Screening Materials — Bobinette and sheeting, wire, portable 



wire screened doors, ladders, nails, 

 hammers and all accessories. 



Oiling Materials — Oil and oil cans, ladders, scythes for 



cutting rank grass, carts. 



A map of the district was kept m each Office and the progress of 

 the cases, the number of cisterns oiled, and of houses fumigated were 

 recorded with dates. The various gangs, whether inspectors, oilers, 

 screeners or fumigators, left the Ward Offices early in the morning 

 for their appointed tasks, or at such time as they were particularly 

 required. A practitioner might report a case to the Central Office 

 or directly to- the Ward Office in which the case occurred. If in the 

 former manner the Central Office telephoned to the Ward Officer 

 concerned. As the result of the call, a screening and fumigating 

 gang (fig. 6) would be despatched, the patient's room would be 

 screened and the rest of the house fumigated, or the patient would be 

 removed m the ambulance (fig. 5) to the Emergency Hospital, and the 

 house fumigated. Depending upon circumstances the surrounding 

 blocks would also be fumigated, and from the tenth to the thirtieth 



