614.46 4 58 FEDERAL SECURITY AGENCY U. S. PUBLIC HEALTH SERVICE Washington April 25, 1942. To Medical Officers of the Public Health Service, Aircraft Operators, and others concerned: The following manual of aircraft quarantine procedure is issued for the guidance of quarantine officers, aircraft operators, and others concerned. Approved: PAUL V. MCNUTT, Federal Security Administrator. MAY 1, 1942. (II) THOMAS PARRAN, Surgeon General. |