Yellow fever

Sigerist would like to publish Hench's lecture on the history of the Yellow Fever Commission in Johns Hopkins University's "Bulletin of the History of Medicine."

Hanson criticizes Peruvian officials for undermining yellow fever work.

Hanson requests an increase of funds. He discusses his dealings with local authorities and steamship companies.

Hanson refers to the Academy of Medicine meeting to study epidemics of yellow fever. He rebuts the contention of a Peruvian physician to the absence of yellow fever in the area, noting that the goal of the campaign is to insure against recurrence.

Hanson describes the work of the sanitary campaign against yellow fever in Peru, naming physicians and surveyors.

Hanson thanks Read for mail and the ruling regarding pay for campaign employees. He describes the difficulties doing field work during a workers' strike. He discusses reassignment of investigators to Panama.

Hanson states that he does not think there is yellow fever in Bucaramanga and that the purported cases, which he describes, are not yellow fever.

Hanson reports on a yellow fever epidemic in Peru. The local newspaper is publishing articles denouncing his sanitary campaign.

Hanson writes about the vaccine being sent to Peru. He is concerned about funding.

Hanson reports on yellow fever work in Peru and comments on his employees, interpersonal issues, funding, and problems with steamship companies.

Hanson sends Carter a copy of Hanson's letter to Rose reporting on yellow fever work in Peru, and asks if Carter agrees that the situation seems nearly under control.

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 requests a copy of Carter's article on the incubation period of yellow fever, from 1900.

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.