Podcast
Questions and Answers
Which of the following is the correct name for the protozoan parasite that causes giardiasis?
Which of the following is the correct name for the protozoan parasite that causes giardiasis?
- Entamoeba histolytica
- Cryptosporidium parvum
- Giardia duodenalis (correct)
- Cyclospora cayetanensis
Which of the following is NOT identified as a major risk factor for giardiasis?
Which of the following is NOT identified as a major risk factor for giardiasis?
- Contact with children in diapers
- Consumption of undercooked meat (correct)
- Male-male sexual behavior
- International travel
Which of the following best describes the typical environment where giardiasis is most common?
Which of the following best describes the typical environment where giardiasis is most common?
- Areas with modern waste disposal systems
- Areas with poor sanitary conditions and limited water-treatment facilities (correct)
- Areas with good sanitary conditions and water treatment facilities
- Areas with advanced medical facilities
Based on the provided text, which factor has the highest adjusted odds ratio (aOR) for sporadic giardiasis in the United States?
Based on the provided text, which factor has the highest adjusted odds ratio (aOR) for sporadic giardiasis in the United States?
Besides young children and international travelers, which group is particularly susceptible to giardiasis?
Besides young children and international travelers, which group is particularly susceptible to giardiasis?
Flashcards
Giardia duodenalis
Giardia duodenalis
A microscopic parasite that causes diarrhea, often spread through contaminated water or food.
Giardiasis
Giardiasis
The infection caused by Giardia duodenalis, resulting in diarrhea and other symptoms.
Immunocompromised Individuals
Immunocompromised Individuals
Individuals with weakened immune systems are more susceptible to Giardia infections.
Poor Sanitary Conditions
Poor Sanitary Conditions
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Children
Children
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Study Notes
Giardiasis: Introduction
- Giardia duodenalis (also known as G. lamblia or G. intestinalis) is a protozoan parasite causing diarrheal illness, often sporadic or epidemic.
- It's a significant cause of waterborne and foodborne illnesses, daycare outbreaks, and traveler's disease.
Giardiasis: Epidemiology
- Giardia duodenalis infection occurs globally.
- High-risk groups include infants, young children, international adoptees, travelers, immunocompromised individuals, and cystic fibrosis patients.
- Risk factors identified in a US study include:
- Male-male sexual behavior (strong association).
- International travel (strong association).
- Drinking water from natural sources (rivers, lakes, etc.).
- Swimming in natural water bodies.
- Contact with children in diapers.
- Antibiotic use.
- Chronic gastrointestinal conditions.
- Giardiasis is more prevalent in areas with poor sanitation and limited water treatment.
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