Social history

Hanson includes the names of medical personnel and the places he has inspected. He mentions the lack of cooperation from locals. He is considering a return to the U.S.

Hanson discusses ways of converting funds into dollars. He reports on field work done by various experts. He mentions funding issues concerning the Peruvian government.

Hanson discusses a yellow fever outbreak in Trujillo. He mentions the difficulty of doing prophylactic work in Lima. He offers his opinions regarding a member of the Panama Canal Health Department and the Peruvian government.

Hanson hopes that there will be no more yellow fever cases after the year 1921. He describes his field work in detail: the use of fish to combat mosquito breeding was very successful but the limited use of containers was difficult to enforce. He praises several inspectors for their good work.

Hanson reports on the investigation of a possible yellow fever case. He describes his field work and discusses personnel matters. He hopes to bring the campaign to an end by the spring of 1922.

Hanson refutes Dr. Arces' theory that yellow fever does not exist in Peru. He expresses confidence in the work being done.

Hanson details his yellow fever work in Peru, commenting on his workers, areas of the country where mosquito work is being done, the suspension of Dunn's stegomyia work, and fever cases.

Hanson details the progress against yellow fever in Peru, but notes that the situation in Mexico and Central America is more serious than once thought.

Hanson believes that the yellow fever epidemic along the Peruvian coast has been contained.

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

Hanson describes the ongoing yellow fever work in Colombia. He believes an outbreak is still possible, although there have been no confirmed cases. There has been extensive dengue fever in Barranquilla.

Hanson discusses yellow fever cases in Peru.

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 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.