Antibody Response to Plasmodium Vivax Antigens in Fy-Negative Individuals From the Colombian Pacific Coast

ABSTRACT: The Duffy antigen (Fy) is necessary for Plasmodium vivax invasion of human erythrocytes. Some populations have a highly prevalent Fy-negative phenotype; such persons are naturally protected from P. vivax blood infection but are expected to completely support the P. vivax pre-erythrocytic c...