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Article

Carlos Eugênio Cavasini, Center for Microorganisms Investigation, Department of Dermatological, Infectious, and Parasitical Diseases, Faculty of Medicine of Sa˜o Jose´ do Rio Preto, Av. Brigadeiro Faria Lima 5416, Sa˜o Jose´ do Rio Preto 15090- 000, Sa˜o Paulo, Brazil.
Luiz Carlos De Mattos, Imunogenetics Laboratory, Department of Molecular Biology, Faculty of Medicine of Sa˜o Jose´ do Rio Preto, Sa˜o Jose´ do Rio Preto, Sa˜o Paulo, Brazil.
Renata Tomé Alves, Center for Microorganisms Investigation, Department of Dermatological, Infectious, and Parasitical Diseases, Faculty of Medicine of Sa˜o Jose´ do Rio Preto, Av. Brigadeiro Faria Lima 5416, Sa˜o Jose´ do Rio Preto 15090- 000, Sa˜o Paulo, Brazil.
Álvaro Augusto Couto, Amapa´ State Health General Office, Amapa´, Amapa´ State, Brazil.
Vanja Sueli Pachiano Calvosa, Amapa´ State Health General Office, Amapa´, Amapa´ State, Brazil.
Cláudia Regina, Bonini Domingos, Hemoglobin Diseases Laboratory, IBILCE/UNESP, Sa˜o Jose´ do Rio Preto, Sa˜o Paulo, Brazil.
Lilian Castilho, Blood Bank, Campinas University, Sa˜o Paulo, Brazil.
Andréa Regina Baptista Rossit, Center for Microorganisms Investigation, Department of Dermatological, Infectious, and Parasitical Diseases, Faculty of Medicine of Sa˜o Jose´ do Rio Preto, Av. Brigadeiro Faria Lima 5416, Sa˜o Jose´ do Rio Preto 15090- 000, Sa˜o Paulo, Brazil., Faculty of Medicine, Sa˜o Jose´ do Rio Preto Foundation, Sa˜o Paulo, Brazil.
Ricardo Luiz Dantas Machado, "Center for Microorganisms Investigation, Department of Dermatological, Infectious, and Parasitical Diseases, Faculty of Medicine of Sa˜o Jose´ do Rio Preto, Av. Brigadeiro Faria Lima 5416, Sa˜o Jose´ do Rio Preto 15090- 000, Sa˜o Paulo, Brazil., Faculty of Medicine, Sa˜o Jose´ do Rio Preto Foundation, Sa˜o Paulo, Brazil."

Abstract

We compared the serological phenotypic frequencies of ABO, MNSs, and Duffy in 417 blood donors and 309 malaria patients from four Brazilian Amazon areas. Our results suggest no correlation between ABO phenotype and malaria infection in all areas studied. We observed significant correlation between the S s , S s , and S s phenotypes and malaria infection in three areas. Some of the Duffy phenotypes showed significant correlation between donors and malaria patients in different areas. These data are an additional contribution to the establishment of differential host susceptibility to malaria.

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