been previously completed. Ports in 
countries designated in Bureau of Medi¬ 
cine and Surgery bulletin “ Health 
Precautions for Personnel on Detached 
Duty,” pages 2 through 11, with symbol 
(23A) will be presumed, for the time being, 
to be subject to the hazard of epidemic 
typhus; ports in countries designated with 
symbol (4) will be presumed, for the time 
being, to be subject to the hazard of cholera. 
Copy ' of this bulletin may be obtained 
from the Bureau of Medicine and Surgery. 
3. From time to time bureaus sending 
technicians abroad should verify with the 
Bureau of Medicine and Surgery current 
inoculation requirements. 
u. s. GOVERNMENT PRINTING OFFICE: t944 
32 
