ASCARIASIS IN SOUTH AFRICA AND MEXICO ASHANTI T. HARRIS, MPH STUDENT WALDEN UNIVERSITY PUBH 6165 DR. PATRICK TSCHIDA FALL, 2011
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ASCARIASIS IN SOUTH AFRICA AND MEXICO
ASHANTI T. HARRIS, MPH STUDENTWALDEN UNIVERSITY
PUBH 6165DR. PATRICK TSCHIDA
FALL, 2011
Expected Learning Outcomes
What is Ascariasis? History of Ascariasis Cause of Ascariasis Transmission Prevalence Symptoms Diagnosis How Can You Protect Yourself?
What is Ascariasis?
A disease caused by eating or drinking food that is infested with eggs of roundworms (PubMed Health, 2011).
Associated with hygiene, sanitation, places where human fertilizer is used (PubMed Health, 2011).
PubMed Health (2011). Ascariasis. Retrieved October 19, 2011 from: http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001652/
Cause of Ascariasis
Parasite: Ascaris lumbricoides (Centers for Disease Control and Prevention, 2010).
Acaris is known as a soil-transmitted helminth (Centers for Disease Control and Prevention, 2010).
Centers for Disease Control and Prevention (2010). Parasites – Ascariasis. Retrieved October 19, 2011 from: http://www.cdc.gov/parasites/ascariasis/
Transmission
Ascaris lives in the intestines (Center for Disease Control and Prevention, 2010).
Ascaris eggs are passed through feces of infected individuals (Center for Disease Control and Prevention, 2010).
Eggs can be transmitted to fingers and hands and then into the mouth from contaminated soil or fruits and vegetables (Center for Disease Control and Prevention, 2010)
Centers for Disease Control and Prevention (2010). Parasites – Ascariasis. Retrieved October 19, 2011 from: http://www.cdc.gov/parasites/ascariasis/
Prevalence
In tropical and subtropical regions (Mayo Clinic, 2010).
Uncommon in the United States (Centers for Disease Control and Prevention, 2010).
Mayo Clinic (2010). Ascariasis. Retrieved October 19, 2011 from: http://www.mayoclinic.com/health/ascariasis/DS00688
Centers for Disease Control and Prevention (2010). Parasites – Ascariasis. Retrieved October 19, 2011 from: http://www.cdc.gov/parasites/ascariasis/
Symptoms
Normally there are no symptoms (Centers for Disease Control and Prevention, 2010).
Cough, wheezing, chest pain, gas, bulging belly, diarrhea, nausea, and anorexia (MedScape, 2008).
Centers for Disease Control and Prevention (2010). Parasites – Ascariasis. Retrieved October 19, 2011 from: http://www.cdc.gov/parasites/ascariasis/
Medscape (2008). Ascariasis Clinical Presentation. Retrieved October 22, 2011 from: http://emedicine.medscape.com/article/212510-clinical
Diagnosis
Stool specimen (Mayo Clinic, 2010)
Blood test (Mayo Clinic, 2010)
X-rays, ultrasounds, CT scans or MRIs (Mayo Clinic, 2010)
Mayo Clinic (2010). Ascariasis. Retrieved October 19, 2011 from: http://www.mayoclinic.com/health/ascariasis/DS00688/DSECTION=tests-and-diagnosis
Treatment
Medications: Albendazole (Mayo Clinic, 2010) Ivermectin (Mayo Clinic, 2010) Mebendazole (Mayo Clinic, 2010)
Surgery (Mayo Clinic, 2010)
Mayo Clinic (2010). Ascariasis. Retrieved October 19, 2011 from: http://www.mayoclinic.com/health/ascariasis/DS00688/DSECTION=treatments-and-drugs
How Can You Protect Yourself?
Practice good personal hygiene (Mayo Clinic, 2010)
Be a cautious traveler (Mayo Clinic, 2010)
Mayo Clinic (2010). Ascariasis. Retrieved October 19, 2011 from: http://www.mayoclinic.com/health/ascariasis/DS00688/DSECTION=treatments-and-drugs
Summary
Ascariasis Cause Transmission Prevalence Symptoms Diagnosis Treatment Prevention
References
Centers for Disease Control and Prevention (2010). Parasites – Ascariasis. Retrieved October 19, 2011 from: http://www.cdc.gov/parasites/ascariasis/
Mayo Clinic (2010). Ascariasis. Retrieved October 19, 2011 from: http://www.mayoclinic.com/health/ascariasis/DS00688
Medscape (2008). Ascariasis Clinical Presentation. Retrieved October 22, 2011 from: http://emedicine.medscape.com/article/212510-clinical
PubMed Health (2011). Ascariasis. Retrieved October 19, 2011 from: http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001652/
Other Informative Sources
KidsHealth http://kidshealth.org/parent/infections/stomach/
ascariasis.html MedlinePlus
http://www.nlm.nih.gov/medlineplus/ency/article/000628.htm
National Institute of Allergy and Infectious Diseases http://www.niaid.nih.gov/topics/ascariasis/Pages/default.aspx
World Health Organization http://www.who.int/water_sanitation_health/diseases/
ascariasis/en/ Global Network
http://globalnetwork.org/about-ntds/factsheets/ascariasis
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