The items in these letters are contributed by regular correspondents in the various foreign countries.
The stamps depicted in the department heading, which commemorate disease control programs throughout the world are (from left): Blood Transfusion, Jugoslavia; Cancer Control, France; Poliomyelitis vaccine, France; Malaria Control, India; Patient Under Sun Lamp, Austria. From collection of John A. Mirt, 360 N. Michigan Ave., Chicago.
BRAZIL. JAMA. 1961;178(3):348. doi:10.1001/jama.1961.73040420030023