Sickle Cell Trait and the Risk ofPlasmodium falciparumMalaria and Other Childhood Diseases
Author(s) -
Thomas N. Williams,
Tabitha Mwangi,
Sammy Wambua,
Neâl Alexander,
Moses Kortok,
Robert W. Snow,
Kevin Marsh
Publication year - 2005
Publication title -
the journal of infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.69
H-Index - 252
eISSN - 1537-6613
pISSN - 0022-1899
DOI - 10.1086/430744
Subject(s) - malaria , sickle cell trait , parasitemia , plasmodium falciparum , medicine , epidemiology , immunology , incidence (geometry) , disease , pediatrics , biology , physics , optics
The gene for sickle hemoglobin (HbS) is a prime example of natural selection. It is generally believed that its current prevalence in many tropical populations reflects selection for the carrier form (sickle cell trait [HbAS]) through a survival advantage against death from malaria. Nevertheless, >50 years after this hypothesis was first proposed, the epidemiological description of the relationships between HbAS, malaria, and other common causes of child mortality remains incomplete.
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