Superbug (noun)

A strain of bacteria that has developed resistance to multiple types of antibiotics, making it difficult or impossible to treat with conventional medications.

Origin:

Coined in the late 20th century, a portmanteau of super and bug.

Examples:

1. The superbug outbreak at the hospital caused concern among patients and staff.
2. The overuse of antibiotics has led to the evolution of new superbugs.
3. The research team is working on finding a cure for the highly resistant superbug.
4. The patient was diagnosed with a superbug and required a new type of treatment.
5. The CDC issued a warning about the spread of a new superbug in the region.