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Research

Emerging Chagas Disease: Trophic Network and Cycle of Transmission of Trypanosoma cruzi from Palm Trees in the Amazon

Antonio R.L. Teixeira,* Pedro Sadi Monteiro,* José M. Rebelo,† Enrique R. Argañaraz,* Daniela Vieira,* Liana Lauria-Pires,* Rubens Nascimento,* Cássia A. Vexenat,* Antonio R. Silva,† Steven K. Ault,‡ and Jackson M. Costa‡
*University of Brasília, †Federal University of Maranhão, and ‡Pan-American Health Organization/World Health Organization, Brasília, Brazil

Figure 3. Human population growth and acute T. cruzi infections in the Amazonian county Paço do Lumiar (19-28). In A, population density increased approximately fourfold in the last three decades. In B, autoctonous acute T. cruzi infections increased fourfold in the same timespan (comparing percentages of seropositivity in 41- to 50-year-olds vs. 11- to 20-year-olds), affecting younger age groups.

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Figure 3. Human population growth and acute T. cruzi infections in the Amazonian county Paço do Lumiar (19-28). In A, population density increased approximately fourfold in the last three decades. In B, autoctonous acute T. cruzi infections increased fourfold in the same timespan (comparing percentages of seropositivity in 41- to 50-year-olds vs. 11- to 20-year-olds), affecting younger age groups.
  

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This page last reviewed February 20, 2001

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention