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Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
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Giardiasis: association with homosexuality.

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    Giardiasis is spreading among homosexual men in New York City, not just travelers. This suggests sexual transmission is a key factor in new cases.

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    Area of Science:

    • Infectious Diseases
    • Gastroenterology
    • Epidemiology

    Background:

    • Giardiasis is a common gastrointestinal infection, often associated with travel.
    • An increase in giardiasis cases among men who had not traveled was observed at The New York Hospital.

    Observation:

    • A 5-year review identified 19 homosexual men with giardiasis who had no travel history or immunodeficiency.
    • These cases represented 22% of adult men diagnosed with giardiasis during the study period.

    Findings:

    • Giardiasis transmission among homosexual men in New York City was identified.
    • In contrast, adult women with giardiasis were predominantly travelers or had immunodeficiency (96%).

    Implications:

    • Sexual history is crucial for diagnosing giardiasis in affected populations.
    • Treating sexual contacts is essential to prevent recurrent giardiasis infections.
    • Findings support the venereal transmission of giardiasis.