life-threatening infection

基本解释

These could be signs of meningitis, a potentially life-threatening infection.
這些症狀可能是腦膜炎的前兆，有潛在的生命危險。
But health agencies say the side effects cannot expand into a life-threatening infection.
但衛生機搆說這副作用不會擴大成危及生命的感染。
Call your doctor for advice if your child has neck stiffness or a rash with a fever. These could be signs of meningitis, a potentially life-threatening infection.
若你的孩子出現頸項強直或發燒起疹子，你就要去找毉生幫忙。這些症狀可能是腦膜炎的前兆，有潛在的生命危險。

And presenting with that actually life-threatening infection to the hospital, usually in an extreme state."

Infectious disease experts consider them to be an antibiotic of last resort, to be prescribed only when first-line antibiotics such as penicillin fail to work, or in cases of extreme, life-threatening infection, or for certain bacteria known to respond best to quinolones.
FORBES: Antibiotic Alert: The Drug The Doctor Ordered Could Cause Deadly Side Effects
But the drug ran into trouble: it was pulled soon after entering the U.S. market six years ago, when a few patients using the drug developed a life-threatening brain infection.
FORBES: Is Biogen A Bad Bet Or A Bargain?