letters (correspondence)

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 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 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 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 writes about the inappropriate handling of vaccine.

Hanson reports on the yellow fever work in South America. He discusses the irregularity of mail, the effective use of fish for mosquito control, the yellow fever risk of Lima's poorer areas, and public health personnel. Hanson thanks the International Health Board for all of its support to the campaign.

In a report on the yellow fever work in Peru, Hanson discusses financial matters, correspondence received, the help extended by White and Carter, and manpower needs. Hanson declares the campaign is going well.

Hanson offers his opinions on the Peruvian government in regards to funding.

Hanson discusses outbreaks of yellow fever in Peru, and his dealings with the Peruvian government. He requests the use of International Health Board funding.

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

Hanson discusses funding issues and a recent yellow fever outbreak.

Hanson discusses the spread of yellow fever in Peru, and the use of fish to control mosquitoes. He also discusses funding issues.

Hanson discusses financial affairs and describes various yellow fever cases.

Hanson discusses funding and reports on yellow fever cases. He requests more inspectors.

Hanson discusses funding and the use of fish in breeding areas. He lists the people in charge of various locations, and has hopes of soon eliminating yellow fever on the coast.

Hurd shares his recollections of Walter Reed at Johns Hopkins and later.

Hurd discusses the support of Johns Hopkins Hospital by Rockefeller. The Lazear memorial tablet is finished and the balance of the funds will go to Mabel Lazear.

Hurd writes with suggestions for changes to Kelly's manuscript on the life of Walter Reed.

Birmingham believes that Gorgas withdrew his request for retirement because of World War I, not because there was opposition to his retirement from other sources.