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Main Title

Health effects support document for Acanthamoeba.

Other Authors

Author	Title of a Work
Nwachuku, Nena.
Gerba, Charles P.,

CORP Author

Environmental Protection Agency, Washington, DC. Health and Ecological Criteria Div.

Publisher

U.S. Environmental Protection Agency, Office of Water, Health and Ecological Criteria Division,

Year Published

2003

Report Number

EPA 822-R-03-012

Stock Number

PB2004-103902

OCLC Number

57565427

Subjects

Acanthamoeba--Toxicology ; Drinking water ; Risk assessment ; Acanthamoeba Keratitis--transmission ; Acanthamoeba--pathogenicity ; Environmental Exposure--adverse effects ; Encephalitis--parasitology ; Contact Lenses--parasitology

Additional Subjects

Acanthamoeba ; Drinking water ; Health effects ; Disease ; Pathology ; Public health ; Infections ; Contaminants ; Protozoa ; Contact lenses ; Taxonomy ; Drinking Water Contaminant Candidate List(CCL)

Internet Access

Description	Access URL
	https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=20003KD0.PDF
	http://www.epa.gov/safewater/ccl/pdf/hedoc-acanthamoeba-final.pdf

Holdings

Library	Call Number	Additional Info	Location	Last Modified
ELBD ARCHIVE	EPA 822-R-03-012	Received from HQ	AWBERC Library/Cincinnati,OH	10/04/2023
ELBD RPS	EPA 822-R-03-012	repository copy	AWBERC Library/Cincinnati,OH	02/03/2020
NTIS	PB2004-103902	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

1 volume (various pagings) : illustrations ; 28 cm

Abstract

Acanthamoeba spp. are protozoa which are widespread in the environment. However, only a few species are capable of causing disease in humans. Acanthamoeba are capable of causing eye infections in persons who wear contact lenses or experience eye trauma. It is also capable of causing granulomatous amoebic encephalitis in immune deficient individuals. Acanthamoeba that cause disease are also 'free-living' i.e. they can reproduce in the environment without infecting a host. Those capable of causing disease are referred to as amphizoic amoeba because of their ability to live both free in nature and as pathogens in a host. Acanthamoeba has two stages in its life cycle (cyst and trophozoite). The cyst is the environmentally resistant stage and can survive in the environment for many years. Acanthamoeba feed on bacteria, fungi, other protozoa, and cyanobacteria. They are easily grown on non-nutrient agar plates seeded with Escherichia coli or Klebsiella pneumoniae.

Notes

"EPA 822-R-03-012." "May 2003." Written by Nena Nwachuku and Charles P. Gerba. Includes bibliographical references.

Place Published

Washington, DC

Supplementary Notes