They find the spore-bearing germ in human breast cancer, can grow the material like any germ, and with cultures produce secondary cancers in guinea pigs, animals notoriously .
Truffles are underground mushroomsstonelike, spore-bearing fruit of fungi that live on tree roots.
Then Dubos found in soil samples a spore-bearing bacillus which actually kills five kinds of pneumococcus; staphylococcus (the pus germ), streptococcus, the diphtheria bacillus.