The Campaign in Havana 243 



so little opposition interfered with the campaign, 

 for it must be remembered that this was all pio- 

 neer work. There was much ridicule of our 

 methods at that time, but fortunately this spirit 

 of raillery and its pernicious influence in encour- 

 aging active and passive opposition to sanitary 

 methods is now decreasing. Sanitarians need 

 the interest and cooperation of the general public. 



In July, 1 90 1, while the sanitary department 

 was busy with yellow fever in Havana, six cases 

 were reported from Santiago de las Vegas late 

 one afternoon. Before daylight on the following 

 morning a complete sanitary brigade was on its 

 way to that town. In six weeks yellow fever was 

 eradicated, and it became exceedingly difficult to 

 find Aedes calopus there. 



At the instigation of Colonel Gorgas, a law was 

 enacted, making it compulsory for physicians to 

 report every case of yellow fever; and also aU cases 

 of fever, of whatever nature, occurring among 

 foreigners. In locating yeUow fever cases, the 

 sanitary department also received assistance from 

 the hospitals in Havana connected with the 

 societies known as Centres. 



The larger part of the foreign population is 

 Spanish, mostly unmarried men. The majority 

 join one of these Centres, each of which has a 



