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Published on: 7/23/2025

Are brain-eating amoeba infections rare in the US?

Yes, brain-eating amoeba infections are very rare in the US, with only a few cases reported each year.

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Explanation

Brain-eating amoeba infections, caused by Naegleria fowleri, are extremely rare in the United States. This amoeba is found in warm freshwater, like lakes and hot springs. Infections occur when contaminated water enters the nose, usually during activities like swimming or diving. According to the references, only a small number of cases are reported annually in the US.

Important Points:

  • Occurrence: Naegleria fowleri infections are not common. Most cases happen during the summer months when people are more likely to swim in warm freshwater.
  • Symptoms: The infection can cause a disease known as Primary Amoebic Meningoencephalitis (PAM), which is severe and often fatal.
  • Prevention: Avoiding activities in warm freshwater bodies or using nose clips can help reduce the risk of infection.

While these infections are rare, they are serious. It's important to be cautious when swimming in warm freshwater, especially during the summer.

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