Infection (noun)

  1. The invasion and multiplication of microorganisms in the body, typically resulting in disease.
  2. The presence or establishment of a disease-causing organism within the body.

Origin:

From middle english infectioun, from latin infectio ("a tainting, pollution, contagion"), from infectus ("tainted, polluted, contagio.n")

Examples:

  1. He was hospitalized with a serious infection in his bloodstream.
  2. The wound was red and swollen, indicating an infection.
  3. The infection was caused by bacteria that entered the body through a cut.
  4. The patient was given antibiotics to treat the infection.
  5. The infection spread rapidly and affected many people in the community.
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