CHAPTER I 



THE CAMPAIGN IN HAVANA 



T^HE measures adopted to eradicate yellow 

 •'■ fever from the Isthmus were based upon 

 the knowledge gained from the work done by 

 Colonel Gorgas and his associates in the eradi- 

 cation of yellow fever in Havana, Cuba. Havana 

 was the first place in which anti-yellow fever 

 measures were carried out with success, working 

 along lines suggested by the theory of Carlos Fin- 

 lay, and observations of H. R. Carter, which 

 greatly aided and were confirmed by the experi- 

 ments of Reed, Carroll, Lazear, and Agramonte, 

 that the Stegomyia fasciata, now known as the 

 Aedes {Stegomyia) calopus, was the only trans- 

 mitting agent of this disease. 



In order that the methods adopted in Havana 

 may be better understood, it may be advisable to 

 review the status of the knowledge regarding the 

 transmission of yellow fever at the time the work 



of its eradication was inaugurated in Havana, 



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