“28 May 43-18 June 1943: Carrying out of typhus vaccination for immunization with the following vaccine (1) 20 persons with vaccine ‘Asid’, (2) 20 persons with vaccine ‘Asid Adsorbat’, (3) 20 persons with vaccine ‘Weigl’ of the Institute for Typhus and Virus Research of the High Command, Army (OKH) Krakow (Eyer) * * *. All experimental persons got very serious typhus. 7 Sept. 43: Chart and case history completed. The experimental series was concluded. 53 deaths (18 with ‘Asid’) (18 with ‘Asid Adsorbat’) (9 with ‘Weigl’) (8 control) 9 Sep. 43: Charts and case histories delivered to Berlin. Dr. Ding, SS Sturmbannfuehrer.” Concerning “Typhus vaccine experimental series VIII” began on 8 March 1944 the following entry appears in the diary: “Suggested by Colonel M.C. of the Air Corps, Professor Rose (Oberstarzt) the vaccine ‘Kopenhagen’ (Ipsen-Murine-vaccine), produced from mouse liver by the national serum institute in Copenhagen, was tested for its compatibility on humans. 20 persons were vaccinated for immunization by intramuscular injection * * *, 10 persons were contemplated for control and comparison. 4 of the 30 persons were eliminated _before_ the start of the artificial injection because of intermittent sickness * * *. The remaining experimental persons were infected on 16 April 44 by subcutaneous injection of 1/20 cc. typhus sick fresh blood * * *. The following fell sick: 17 persons immunized: 9 medium, 8 seriously; 9 persons control, 2 medium, 7 seriously * * *. 2 June 44: The experimental series was concluded. 13 June 44: Chart and case history completed and sent to Berlin. 6 deaths (3 Kopenhagen) (3 control). Dr. Ding.” “Typhus vaccine experimental series IX” began on 17 July 1944. Twenty persons were immunized with the vaccine “Weimar” produced by the department for Typhus and Virus Research of the Hygiene Institute of the Waffen SS; and for comparison, another group of 20 persons were immunized with vaccine “Weigl” produced from lice by the Army High Command (OKH) in Cracow [Krakow]. Still another group of 20 persons were used for the control group. On 6 September 1944 the 60 experimental persons were infected with fresh blood “sick with typhus” which was injected into the upper arm. As a result, all experimental persons became sick, some seriously. The narration of this experimental series closes with the cryptic report: “4 Nov 44: Chart and case history completed, 24 deaths (5 ‘Weigl’) (19 Control). Dr. Schuler.”