… with this phenotype. … between individuals with this phenotype and the sickle cell trait. We
conducted this study to measure the prevalence of the Fy (ab-) phenotype in our blood donors. …

… , Duffy, Kidd, and Diego blood group systems among blood donors in the Southwest region
… were employed to estimate genetic distances between populations, using the Poptree2. 18 …

… The objective of this research was to establish the prevalence of these … Estimated prevalence
of the Duffy null phenotype Fy (ab-) among black blood-donors in Southwestern Colombia…

… infectious diseases worldwide, is estimated to have caused 229 … the country’s southern region
revealed that among 201 malaria … of the A allele was 69% in Afro-Colombians. The results …

… Table 1 presents allele prevalences of the blood donors and … estimated on the basis of
the Duffy blood groups, the Fy(ab-) … Cultural and genetic evidence suggests that Colombian …

… interaction between the parasites and antigens of the Duffy … Asia (11) and it is calculated
that from 70 to 80 million clinical … blood donors in southeastern Brazil were serologically Fy(b-) …

… , Kell, Duffy, Kidd, MNS and Diego in 810 blood donors registered in … were employed to
estimate genetic distances between … Rh, Kell, Duffy, Kidd, and Diego blood group systems among …

… Samples are considered positive when the OD reading is > average … areas in Colombia that
we studied (Figure 1). The higher … the allele specificity among Duffy positive donors (Fy + ). …

… health problem, causing an estimated 241 million cases and … in the Duffy blood group (Fy(a−b−))
disabling the Duffy antigen … The Duffy-negative phenotype is rare amongst Caucasian …

… It is estimated that 75% of all women experience at least once episode of vulvovaginitis,
with 5 to … blood donors reported a slightly higher incidence of HIV among group B donors (286). …