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Understanding Amebiasis: Epidemiology and Prevention

Explore the global incidence of amebiasis, key risk factors, transmission methods, and preventive strategies. Learn about the impact of sanitation on disease prevalence and the effectiveness of chemoprophylaxis in controlling infections.

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Understanding Amebiasis: Epidemiology and Prevention

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  1. Epidemiology of amebiasis Dr. Nicolas Padilla Professor of Pediatrics and Researcher Nursing and Obstetrics School of Celaya University of Guanajuato

  2. Introduction • Amebiasis is a worlding disease. • Principal frequency in countries with a deficiency in sanitary conditions. • It is more frequent in tropical countries. • Poorest areas.

  3. Frequency

  4. Frequency • 10-20% of the world population. • Colombia and Brazil 40%. • Arabia 30%. • Mexico 27%.

  5. Mortality in Mexico • 1980 23% • 1998 < 1%

  6. Entamoeba histolytica • It was described more than 100 years ago. • It has two forms: infectant (cyst) or vegetative (trophozoite).

  7. Transmission • Faeces- mounth • Contaminated water • Contaminated meals • Street vendors of meals

  8. Factors for the development of amebiasisFor the ameba • Phatogenicity of ameba, its virulence. • Amebas pathogenic and non-pathogenic

  9. Factors for the development of amebiasisFor the host • Nutritional status • Age • Sex • Immunologic condition

  10. Factors for the development of amebiasisFor the environment • Management of water • Management of waste • Habits nutritionals and hygienics

  11. Chemoprophylaxis • It is the method for to make prevention by chemical substance. • It is used in Mexico, with albendazole, to control the diseases by plathelmyntes and nemathelmyntes.

  12. Chemoprophylaxis • Quinfamide

  13. Studies on chemoprophylaxis • In Mexico, administration of quinfamide each 3 months during one year, in children, had 12.5% of frequency of amebiasis.

  14. Conclusions • The chemoprophylaxis scheme is a line of control of amebiasis, but also, we should increase the personel hygienic habits, to avoid eat in the streets and, to avoid the fecalism.

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