“ETHICALLY IMPOSSIBLE” STD Research in Guatemala from 1946-1948 
Figure 7: Intentional Exposure Experiments over Time 
KEY 
Line Indicates 
Date of Event 
e.g. Feb. 15 — 
JAN 
FEB 
MAR 
APR 
MAY 
JUN 
JUL 
AUG 
SEPT 
OCT 
NOV 
DEC 
JAN 
FEB 
MAR 
APR 
MAY 
JUN 
JUL 
AUG 
SEPT 
OCT 
NOV 
DEC 
GONORRHEA 
co co 
£ 
co o 
SYPHILIS 
CHANCROID 
co co 
£• 5 . 
■>> co 
CO O 
TO CO 
^O. 
126 
