Fred L. Soper relates developments regarding Yellow Fever work in Brazil during 1937. Includes a list of photographs enclosed.

N. Paul Hudson expresses his condolences regarding the deaths of Hideyo Noguchi and William Alexander Young at Accra, Ghana.

Russell informs Beeuwkes of the likelihood that Dr. Hideyo Noguchi will join the Rockefeller Foundation's Yellow Fever work in West Africa.

RF photo #11863.

Shows the delivery and distribution of the yellow fever vaccination to residents of a small Colombian town.

Caption: "Tech. Sgt. Herman Rogers of the 1200 CASU and PFC. Michael Spagnuolo, Med. Dept., Check company roster as men line up for yellow fever inoculation." RF photo #21862c. U.S. Army Signal Corps photo #3674.

Caption: "Captain Walter T. Carpenter, M.C. inoculating soldier for yellow fever." RF photo #21862d. U.S. Army Signal Corps photo #3675.

Title supplied. Caption: "Dr. William Alexander Young in his laboratory at Accra, Ghana." RF photo #20363e.

Title supplied. Caption: "Dr. A. Maurice Wakeman at work in the lab." RF photo #20378.

Title supplied. Caption: "Ife, Nigeria, catching adult mosquitoes." RF photo #20666m.

Title supplied. Caption: "Inside of animal house." RF photo #20668k.

Title supplied. Caption: "Staff with natives." RF photo #20668m.

RF photo #3727.

RF photo #6028.

Wilbur A. Sawyer examining pottery