Suggested by Colonel M. C. of the Air Corps, Oberstarzt Professor Rose 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 into the Musculus Glutaeus Max. on the following dates: 8 Mar 44, 0.5 cc.; 13 Mar 44, 0.5 cc.; 18 Mar 44, 1.0 cc.
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.
16 Apr 44:
The remaining experimental persons were infected on 16 Apr 44 by subcutaneous injection of 1/20 cc. typhus sick fresh blood. Donor: W * * * No. 763, 27 years old (6th day of sickness)
Strain Bu VII/Passage 1.
The following fell sick:
a. 17 persons immunized; 9 medium, 8 seriously.
b. 9 control persons; 2 medium, 7 seriously.