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Related Concept Videos

Amebiasis01:28

Amebiasis

Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...
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Giardiasis is a globally prevalent intestinal infection caused by the protozoan parasite Giardia duodenalis (also known as G. lamblia or G. intestinalis). This flagellated protozoan is the most frequently identified intestinal parasite in the United States and worldwide. Transmission primarily occurs via the fecal-oral route, with infection arising from ingestion of water or food contaminated with cysts. Individuals in low-resource settings, international travelers, outdoor enthusiasts, daycare...
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Leishmaniasis is a protozoal disease caused by species of the genus Leishmania and transmitted through the bite of infected female sandflies. The parasite exists in two principal morphological forms during its life cycle. A sandfly acquires intracellular amastigotes from an infected reservoir host, such as a dog. Within the sandfly, these forms differentiate into motile, flagellated promastigotes. During a subsequent blood meal, promastigotes are injected into the human host, where they...
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Toxoplasmosis, a zoonotic disease caused by the protozoan Toxoplasma gondii, poses significant public health challenges globally due to its high seroprevalence and varied clinical manifestations. As an obligate intracellular parasite, T. gondii can infect all warm-blooded vertebrates, but felids are its only definitive hosts, shedding unsporulated oocysts into the environment. Humans typically acquire the infection through ingestion of tissue cysts in undercooked meat or oocysts from...

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A Simple Fecal Flotation Method for Diagnosing Zoonotic Nematodes Under Field and Laboratory Conditions
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Published on: December 15, 2023

Ancylostoma ceylanicum Hookworm, Rural Papua New Guinea, 2020.

Jessica L Scott, Daniel Pelowa, Wayne Melrose

    Emerging Infectious Diseases
    |June 28, 2026
    PubMed
    Summary
    This summary is machine-generated.

    A study in Papua New Guinea found hookworm in over half the population. The zoonotic Ancylostoma ceylanicum species was identified, highlighting the need for One Health strategies to control this parasite.

    Keywords:
    AncylostomaAncylostoma ceylanicumNecator americanusPapua New Guineahookwormparasiteszoonoses

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    Area of Science:

    • Infectious Diseases
    • Parasitology
    • One Health

    Background:

    • Hookworm infections pose a significant public health challenge globally.
    • Zoonotic parasites, like Ancylostoma ceylanicum, can transmit between animals and humans, complicating control efforts.

    Purpose of the Study:

    • To investigate the prevalence of hookworm infections in humans in Western Province, Papua New Guinea.
    • To specifically identify the presence and prevalence of the zoonotic hookworm species, Ancylostoma ceylanicum.

    Main Methods:

    • A cross-sectional study design was employed.
    • Internal transcribed spacer sequencing was used for accurate hookworm species identification.

    Main Results:

    • An overall hookworm prevalence of 54.9% was detected in the study population.
    • Ancylostoma ceylanicum was identified in 3.3% of the analyzed specimens.

    Conclusions:

    • Hookworm infections are highly prevalent in the studied region of Papua New Guinea.
    • The presence of Ancylostoma ceylanicum underscores the importance of zoonotic transmission.
    • Integrated One Health approaches are crucial for effective hookworm control in Papua New Guinea.