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Mycobacterium avium complex

Mycobacterium avium complex (MAC) is a group of bacteria, commonly found in soil or water. People who have immune system problems can be infected with the bacteria. It can spread throughout the body and cause infection almost anywhere.

Symptoms include:

  • Night sweats.
  • Fever.
  • Diarrhea.
  • Fatigue.
  • Weight loss.
  • Belly pain.

There is no easy way to avoid exposure to Mycobacterium avium complex bacteria. But medicines are available that can prevent disease.

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