The high prevalence of numerous endemic and epidemic diseases such as malaria, HIV
infection and viral hepatitis in some areas of sub‐Saharan Africa (SSA) affects the health …

Objectives COVID-19 is a transmissible illness triggered by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2). Since its onset in late 2019 in Wuhan city of China …

Blood group variants are characteristic of population groups, and can show conspicuous
geographic patterns. Interest in the global prevalence of the Duffy blood group variants is …

Background A research priority for Plasmodium vivax malaria is to improve our
understanding of the spatial distribution of risk and its relationship with the burden of P. vivax …

INTRODUCTION Malaria parasites cause human disease by invading and replicating inside
red blood cells. In the case of Plasmodium falciparum, this can lead to severe forms of …

Background Plasmodium vivax shows a small prevalence in West and Central Africa due to
the high prevalence of Duffy negative people. However, Duffy negative individuals infected …

Many people of African ancestry have lower absolute neutrophil counts (ANCs) without
increased risk for infection. This is associated with the Duffy-null phenotype (nonexpression …

BACKGROUND: We here report the first study of antigen and phenotype frequencies of
various blood group systems by gel technology in north Indian blood donors. STUDY …

Introduction The understanding of blood group phenotypes in Saudi Arabia is limited to the
ABO and Rh blood groups. Data for the other major blood group phenotypes in different …

Plasmodium vivax occurs globally and thrives in both temperate and tropical climates. Here,
we review the evidence of the biological limits of its contemporary distribution and the global …