This class of bacteria enters the milk with the dust, dirt, and manure, in which materials they are especially abundant.
"Outlines of dairy bacteriology" by H. L. Russell
Bacteria and toxic crystals would enter the system and cause mass death and suffering.
"Piper in the Woods" by Philip K. Dick
The ductus thoracicus is the principal channel through which the bacteria enter the blood.
"A System of Practical Medicine by American Authors, Vol. I" by Various
Most oral care consumers worry about bacteria in their mouthes but what about stopping the spread of germs before they even enter the body.
The bacteria can enter the body through a tiny split in the skin, from a boil, from pneumonia or from a urinary-tract infection.
Pruning rose canes opens wounds that bacteria such as the Pseudomonas syringae variant may enter, killing your rose bush.