Human genetic variation and yellow fever mortality during 19th century U.S. epidemics.

ABSTRACT:

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We calculated the incidence, mortality, and case fatality rates for Caucasians and non-Caucasians during 19th century yellow fever (YF) epidemics in the United States and determined statistical significance for differences in the rates in different populations. We evaluated nongenetic host factors, including socioeconomic, environmental, cultural, demographic, and acquired immunity status that could have influenced these differences. While differences in incidence rates were not significant between Caucasians and non-Caucasians, differences in mortality and case fatality rates were statistically significant for all epidemics tested (P < 0.01). Caucasians diagnosed with YF were 6.8 times more likely to succumb than non-Caucasians with the disease. No other major causes of

SUBMITTER: Blake LE 

PROVIDER: S-EPMC4049105 | biostudies-literature | 2014 Jun

REPOSITORIES: biostudies-literature