1929 First documented cases of human listeriosis. Respiratory distress, heart failure. Death in coma. Sometimes, women remain asymptomatic. Immunoflurescence confocal laser scanning micrograph.
Listeria eventually resides in the central nervous system casing inflammations and tissue damage.
The elaborate multiple virulence factors makes Listeria one of the most invasive bacteria known. Starvation Factors that cause measurable stress ideally are nonlethal, and milder than those causing injury.