Yellow fever

Hanson reports on mosquito larvae studies in Peru. He also discusses, at length, administrative and political issues related to his work.

Hanson writes that he has announced to the press and government that yellow fever has been eradicated along the coast.

Hanson discusses the political situation in Peru and his difficulties in dealing with local authorities.

Hanson informs Carter that he plans to go to Africa to fight yellow fever.

Hanson writes that he doubts there is yellow fever in Colombia. He discusses the differences between his private practice and working for the public health service.

Hanson approves of Carter's paper concerning yellow fever in Australia and Asia. Hanson offers his opinion on the world-wide campaign against yellow fever.

Hanson reports on yellow fever in Colombia. He also discusses financial matters.

Hansen writes about his work in Colombia. He has seen no yellow fever in Bucaramanga, although the Stegomyia index is high there as well as along the Magdelena River. He discusses other diseases he has encountered there and notes Dunn's work with mosquitoes.

Hanson writes about his search for new work and his discouragement at not being offered public health positions. He notes that sanitary work in Peru has almost stopped due to financial issues.

Hanson discusses yellow fever cases in Peru.

Hanson requests that Carter critique his preliminary report on the yellow fever campaign in Peru. He asks if his resume describing his work in 1921 and 1922 has been received.

Hanson offers to send Carter memorabilia of the yellow fever campaign in Peru. He plans to arrive in New York soon.

Hanson discusses financial matters and his feelings towards the International Health Board. He comments on Connor and Cumming.

Hanson writes about resuming his yellow fever work in Mexico. He discusses the ramifications, both personal and financial, that such a decision would entail. He comments on the political situation in Mexico.

Hanson requests Carter's advice regarding the yellow fever campaign in Peru.

Hanson suspects that the reported case of Weil's disease, reported in Guayaquil, may be yellow fever. He believes that the International Health Board should investigate.

Hanson informs Carter that he has settled in Jacksonville, Florida and has started his own practice. He discusses an alleged case of Weil's Disease in Guayaquil, Ecuador.

Hanson must decide whether to stay in private practice or resume yellow fever work with the International Health Board. Enclosing a telegram from Russell, he asks Carter if there is suspicion of yellow fever in Colombia.

Hanson gives an account of his trip to Panama. He mentions a modification of quarantine process. He describes sanitary inspections to various regions of Peru [lists names of personnel]. He expresses concern about the government's funding of workers. The yellow fever campaign is going well, but vigilance is required.

Hanson discusses a yellow fever outbreak on the frontier of Peru. He states that yellow fever cases are declining elsewhere.