A close-up of a reduviid bug on a vibrant green leaf, with subtle sunlight filtering through, showcasing intricate details of the bug's exoskeleton

World Chagas Disease Day is a global health observance dedicated to raising awareness about Chagas disease, a potentially life-threatening illness caused by the protozoan parasite Trypanosoma cruzi. Often called a “silent and silenced disease,” it primarily affects poor populations in Latin America but has spread globally through migration.

Quick Facts

When is it: April 14 annually
Tagged as: Silent and Silenced Disease Day
What’s the hashtag: #WorldChagasDiseaseDay #Chagas #HealthEquity
When was it founded: 2020
Who founded it: World Health Organization (WHO)

History of World Chagas Disease Day

The day commemorates April 14, 1909, when researcher Carlos Chagas first diagnosed the disease in a 2-year-old girl named Berenice in Lassance, Brazil. The World Health Assembly officially established this day in May 2019 to promote awareness and advocate for better healthcare access for affected populations.

Timeline

  • 1909: First human case identified by Carlos Chagas
  • 2019: WHO declares April 14 as World Chagas Disease Day
  • 2020: First global celebration
  • 2024: Theme “Tackling Chagas disease: detect early and care for life”

Future Observances

YearMonth and DateDay
2025April 14Monday
2026April 14Tuesday
2027April 14Wednesday
2028April 14Friday
2029April 14Saturday
2030April 14Sunday

How It Is Observed

Healthcare organizations worldwide organize awareness campaigns, medical camps, and educational programs. WHO and PAHO hold online events, while local health centers offer free screenings and educational materials about prevention and treatment.

Fun Facts About Chagas Disease

  • Affects 6-7 million people worldwide
  • Present in 44 countries across five continents
  • Transmitted by “kissing bugs” (triatomine insects)
  • Can remain dormant for decades
  • First disease where a scientist discovered the pathogen, vector, and clinical manifestations

Quiz

  1. When was Chagas disease first discovered?
  2. How many people are affected worldwide?
  3. What insect transmits Chagas disease?
  4. Who discovered Chagas disease?
    -(Answers: 1909; 6-7 million; Kissing bugs; Carlos Chagas)

FAQs

  • What causes Chagas disease? Trypanosoma cruzi parasite
  • Is there a cure? Yes, if detected early
  • Where is it most common? Latin America
  • Can it be prevented? Yes, through vector control and screening

Related

  • World Health Day
  • World Vector-borne Disease Day
  • International Day of Tropical Diseases
  • World Neglected Tropical Diseases Day
  • Global Health Awareness Month