six strains ( egd , nctc 5348 , atcc 19113 , atcc 19114 , nctc 10527 , and atcc 19116 ) were able to persist in spleens ( persistent strains ) , whereas with five other strains ( atcc 19111 , atcc 19119 , atcc 33090 , atcc 33091 , and atcc 14870 ) , only few if any bacteria were demonstrable after infection with up to 10 ( 8 ) organisms ( nonpersistent strains ) .
C0004611
bacteria
C0029235
organisms