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NOTE: A surveillance case definition is a set of uniform criteria used to define a disease for public health surveillance. Surveillance case definitions enable public health officials to classify and count cases consistently across reporting jurisdictions. Surveillance case definitions are not intended to be used by healthcare providers for making a clinical diagnosis or determining how to meet an individual patient’s health needs.

CSTE Position Statement(s)

  • 11-ID-15


  • Acanthamoeba disease (excluding keratitis)
  • Acanthamoeba keratitis
  • Balamuthia mandrillaris disease
  • Naegleria fowleri causing primary amebic meningoencephalitis (PAM)

Subtype(s) Case Definition


*When available, species designation and molecular characterization (e.g., genotype) should be documented.

Related Case Definition(s)