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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...
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.
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...
Genital Herpes01:23

Genital Herpes

Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...
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...
Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

Transmission-based Precautions I: Contact, Enteric, and Droplets

Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...

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Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
13:55

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates

Published on: January 27, 2019

Approach in sexually transmitted diseases.

Walter Belda Junior1, Ricardo Shiratsu, Valdir Pinto

  • 1Department of Sexually Transmitted Diseases /AIDS, Brazilian Society of Dermatology, Brazil. walterbelda@uol.com.br

Anais Brasileiros De Dermatologia
|June 9, 2009
PubMed
Summary

Sexually transmitted diseases (STDs) pose significant public health risks, including mother-to-baby transmission and infertility. These guidelines offer current scientific insights for diagnosing and treating patients with STDs.

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Forward Genetic Approaches in Chlamydia trachomatis
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Forward Genetic Approaches in Chlamydia trachomatis

Published on: October 23, 2013

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Last Updated: Jun 22, 2026

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
13:55

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates

Published on: January 27, 2019

Forward Genetic Approaches in Chlamydia trachomatis
09:03

Forward Genetic Approaches in Chlamydia trachomatis

Published on: October 23, 2013

Area of Science:

  • Public Health
  • Infectious Diseases
  • Reproductive Health

Background:

  • Sexually transmitted diseases (STDs) represent a major global public health challenge.
  • Consequences include mother-to-child transmission, infertility, and increased HIV risk.

Purpose of the Study:

  • To enhance the treatment of patients with STDs.
  • To provide the medical community with current scientific understanding and recommendations for STD diagnosis and treatment.

Main Methods:

  • Review of current scientific literature on STDs.
  • Development of evidence-based guidelines for diagnosis and treatment.

Main Results:

  • Consensus on diagnostic criteria for common STDs.
  • Updated treatment protocols based on current evidence.
  • Recommendations for prevention and patient counseling.

Conclusions:

  • Effective management of STDs requires up-to-date knowledge and standardized treatment approaches.
  • Adherence to guidelines can improve patient outcomes and reduce disease transmission.
  • Continued research is essential to combat the evolving landscape of STDs.