Several strains normally inhabit the intestines of cattle and humans, and most are harmless. But a few E. coli strains found in cattle can cause food poisoning in humans if the beef is accidentally contaminated, according to the Centers for Disease Control and Prevention (CDC).
The CDC reports that about one out of every 1,000 people develops a condition called Guillain-Barre syndrome in the weeks following a bout of campylobacteriosis. Guillain-Barre syndrome causes temporary paralysis, which can persist for several weeks to months.
Per the CDC, Listeria infection can lead to:
Flu-like symptoms typically occur in pregnant people with listeriosis, which can lead to miscarriage, preterm delivery, stillbirth or infection of the baby, according to the CDC.
Raw beef, including steak tartare, is not considered safe because it's not cooked to an internal temperature of 160 F, per the USDA.
Read more on: livestrong
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