Updated Estimates and Mapping for Prevalence of Chagas Disease among Adults, United States

We combined American Community Survey data with age-specific Trypanosoma cruzi prevalence derived from US surveys and World Health Organization reports to yield estimates of Chagas disease in the United States, which we mapped at the local level. In addition, we used blood donor data to estimate the...

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Published inEmerging infectious diseases Vol. 28; no. 7; pp. 1313 - 1320
Main Authors Irish, Amanda, Whitman, Jeffrey D, Clark, Eva H, Marcus, Rachel, Bern, Caryn
Format Journal Article
LanguageEnglish
Published Atlanta U.S. National Center for Infectious Diseases 01.07.2022
Centers for Disease Control and Prevention
Subjects
Adults
Age groups
Asymptomatic
Birth rate
Cardiomyopathy
Chagas disease
Congenital diseases
Demographic aspects
epidemiology
Geographical distribution
Heterogeneity
Hispanic people
Immigrants
Infections
parasites
Population
Prevalence studies (Epidemiology)
Protozoa
Public health
Risk factors
Statistics
Trypanosoma cruzi
United States
Updated Estimates and Mapping for Prevalence of Chagas Disease among Adults, United States
Vector-borne diseases
Womens health
United States
Colombia
El Salvador
United States > US
Guatemala
Mexico
Honduras
Bolivia
Latin America
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Summary:We combined American Community Survey data with age-specific Trypanosoma cruzi prevalence derived from US surveys and World Health Organization reports to yield estimates of Chagas disease in the United States, which we mapped at the local level. In addition, we used blood donor data to estimate the relative prevalence of autochthonous T. cruzi infection. Our estimates indicate that 288,000 infected persons, including 57,000 Chagas cardiomyopathy patients and 43,000 infected reproductive-age women, currently live in the United States; 22–108 congenital infections occur annually. We estimated ≈10,000 prevalent cases of locally acquired T. cruzi infection. Mapping shows marked geographic heterogeneity of T. cruzi prevalence and illness. Reliable demographic and geographic data are key to guiding prevention and management of Chagas disease. Population-based surveys in high prevalence areas could improve the evidence base for future estimates. Knowledge of the demographics and geographic distribution of affected persons may aid practitioners in recognizing Chagas disease.
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ISSN:1080-6040
1080-6059
DOI:10.3201/eid2807.212221