and since the more unusual of these organisms , the plotz bacillus , the anaerobic streptococcus , the aerobic diphtheroid , and the diplobacillus are non-pathogenic for guinea pigs , while the more common bacteria such as the gartner type bacillus , welch 's bacillus , the proteus bacillus , and the staphylococci induce distinctive effects , and since all the bacteria could be suppressed without their reappearance in guinea pig passages of the virus containing them , we believe that they are independent and unrelated to the true virus of typhus fever .
C0029235
organisms
C0004611
bacteria