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Related Concept Videos

American Trypanosomiasis01:22

American Trypanosomiasis

Chagas disease, or American trypanosomiasis, is a vector-borne parasitic infection caused by Trypanosoma cruzi, a flagellated protozoan (kinetoplastid) of the family Trypanosomatidae. The disease is endemic in Latin America, although cases are increasingly reported worldwide due to human migration. Transmission most commonly occurs when feces of infected triatomine bugs contaminate bite wounds or mucosal surfaces; additional routes include congenital, transfusional, transplant-related, and oral...
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Leishmaniasis

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...
Cholera01:25

Cholera

Cholera is an acute gastrointestinal disease caused by the Gram-negative bacterium Vibrio cholerae. It is transmitted primarily via the fecal-oral route through the ingestion of contaminated water or food.Vibrio cholerae is a motile, Gram-negative bacterium of the family Vibrionaceae, primarily associated with waterborne outbreaks in areas with inadequate sanitation. Although over 200 serogroups of V. cholerae exist, only O1 and O139 are responsible for epidemic cholera. The O1 serogroup,...
Life Histories01:29

Life Histories

Constrained by limited energy and resources, organisms must compromise between offspring quantity and parental investment. This trade-off is represented by two primary reproductive strategies; K-strategists produce few offspring but provide substantial parental support, whereas r-strategists produce much progeny that receives little care. These strategies are related to an organism’s survival likelihood across its lifespan, which is represented by a survivorship curve. Three general types of...
Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
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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...

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Articles linked to this work by shared authors, journal, and citation graph.

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Same author

Current epidemiological trends for Chagas disease in Latin America and future challenges in epidemiology, surveillance and health policy.

Memorias do Instituto Oswaldo Cruz·2009
Same author

Commentary: the lucid reasoning of Carlos Chagas.

International journal of epidemiology·2008
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[Diagnosis, management and treatment of chronic Chagas' heart disease in areas where Trypanosoma cruzi infection is not endemic].

Enfermedades infecciosas y microbiologia clinica·2008
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[Diagnosis, management and treatment of chronic Chagas' heart disease in areas where Trypanosoma cruzi infection is not endemic].

Revista espanola de cardiologia·2007
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Obstacles to health information for all.

Lancet (London, England)·2004
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From basic research to product development: not an easy way.

Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases·2003

Related Experiment Video

Updated: Jun 18, 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

Carlos Chagas: biographical sketch.

Alvaro Moncayo1

  • 1National Academy of Medicine, Carrera 7 No. 69-11, Bogotá DC, Colombia. amoncayo@uniandes.edu.co

Acta Tropica
|November 10, 2009
PubMed
Summary

Carlos Chagas discovered the parasite, vector, and human cases of a new disease, revolutionizing tropical medicine. His work integrated biological and social determinants of health, benefiting humanity.

Area of Science:

  • Tropical Medicine and Parasitology
  • Medical History and Biography
  • Public Health and Epidemiology

Background:

  • Carlos Chagas's scientific formation was influenced by late 19th-century paradigm shifts in medicine, emphasizing experimental proof and the link between microbes and disease.
  • He completed medical studies with high honors and began his research career at the Institute of Manguinhos under Oswaldo Cruz, a hub for scientific innovation.

Discussion:

  • Chagas's field research in Lassance, Minas Gerais, led to the discovery of a new flagellate parasite, its triatomine insect vector, and subsequent human cases.
  • His methodical approach, identifying the etiological agent, vector, and clinical manifestations within twenty months, exemplifies scientific rigor and dedication.
  • The discovery highlighted the interconnectedness of biological and social determinants of disease, a concept ahead of its time.

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Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model
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Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model

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In Vitro Drug Screening Against All Life Cycle Stages of Trypanosoma cruzi Using Parasites Expressing β-galactosidase
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In Vitro Drug Screening Against All Life Cycle Stages of Trypanosoma cruzi Using Parasites Expressing β-galactosidase

Published on: November 5, 2021

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Last Updated: Jun 18, 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

Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model
09:23

Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model

Published on: July 29, 2012

In Vitro Drug Screening Against All Life Cycle Stages of Trypanosoma cruzi Using Parasites Expressing β-galactosidase
08:48

In Vitro Drug Screening Against All Life Cycle Stages of Trypanosoma cruzi Using Parasites Expressing β-galactosidase

Published on: November 5, 2021

Key Insights:

  • Carlos Chagas identified the complete cycle of a novel infectious disease, including the causative agent, vector, and human pathology.
  • His comprehensive discovery earned him international recognition and a prominent place in medical history.
  • Chagas advocated for translating medical research into tangible human benefits, recognizing the social dimensions of health.

Outlook:

  • The legacy of Carlos Chagas underscores the importance of integrated research, bridging laboratory science, clinical practice, and public health administration.
  • His life's work continues to inspire a holistic approach to understanding and combating diseases, particularly in tropical regions.
  • Chagas's contributions remain foundational in the study of vector-borne diseases and their impact on human populations.