@piyotto123@ChnConsulateFuk "... they were immunized with various vaccines and then challenged with living organisms, and they were used as subjects during field trials of bacteria disseminated by bombs and sprays."
@piyotto123@ChnConsulateFuk "The human subjects were used in exactly the same manner as other experimental animals, i.e., the minimum infectious and lethal dosage of various organisms was determined on them, ..."