Volume s1-20, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


I. I During the first six months of 1938 the occurrence of an unusually severe outbreak of malaria in the Assú and Mossoró River valleys of Rio Grande do Norte and in the rich and heavily populated Jaguaribe valley in Ceará (Souza Pinto, Belo Mota, E. Chagas) forcibly called attention to the rapidly increasing gravity of the problem created by the presence in Brazil (Shannon 1930, 1938) of the African mosquito (Giles, 1902). The situation was so serious that the Federal Government in August opened a special credit for the organization of an emergency service, and in September the International Health Division of The Rockefeller Foundation voted funds for a rapid survey of the actual distribution of , to secure information on which to base plans for possible collaboration with the federal authorities of Brazil in the campaign for the control of this mosquito.


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