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Related Concept Videos

Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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...
Infection01:20

Infection

When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
Trichomoniasis01:18

Trichomoniasis

Trichomonas vaginalis is a flagellated protozoan parasite and the causative agent of trichomoniasis, one of the most prevalent non-viral sexually transmitted infections in the United States. This extracellular parasite primarily colonizes the lower genitourinary tract in women—particularly the vagina—and in men, the urethra and prostate. Its structural and functional adaptations enable its survival, motility, and pathogenicity within the host environment.Structural Features and Host EntryT.
Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
Reservoir of Infection01:30

Reservoir of Infection

Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...

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Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
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Published on: January 27, 2019

'Imported' sexually transmitted diseases.

B Romanowski

    Canadian Family Physician Medecin De Famille Canadien
    |January 15, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Routine sexual history is crucial for travelers. This helps identify unusual sexually transmitted diseases, including resistant gonorrhea, chancroid, and human immunodeficiency virus (HIV), ensuring timely diagnosis and treatment.

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    Published on: August 22, 2012

    Area of Science:

    • Infectious Diseases
    • Public Health
    • Travel Medicine

    Background:

    • Sexually transmitted diseases (STDs) pose risks to travelers.
    • Emerging concerns include resistant gonorrhea and chancroid.
    • Human immunodeficiency virus (HIV) remains a significant global health issue.

    Purpose of the Study:

    • To emphasize the importance of obtaining a sexual history from all travelers.
    • To highlight the need for investigating unusual infections in symptomatic travelers.
    • To raise awareness of specific STDs relevant to international travel.

    Main Methods:

    • Routine collection of sexual history from travelers.
    • Clinical evaluation for symptoms suggestive of STDs.
    • Differential diagnosis including unusual infections.

    Main Results:

    • Resistant strains of gonorrhea are a growing public health concern.
    • Chancroid should be considered in the diagnosis of genital ulcers.
    • Discussion of HIV risk is essential for at-risk travelers.

    Conclusions:

    • A comprehensive sexual history is a vital component of travel health assessments.
    • Early identification and management of STDs in travelers are critical.
    • Awareness of specific pathogens like resistant gonorrhea, chancroid, and HIV is necessary for effective prevention and care.