About the Authors

Tereza Cristina de Oliveira Corvelo

tereza@ufpa.br

Affiliation Immunogenetics Laboratory, Biological Sciences Institute, Federal University of Pará, Belém, Pará, Brazil

Rosane do Socorro Pompeu de Loiola

Affiliation Central Laboratory Pará State, Executive Office of Health Pará State, Belém, Pará, Brazil

Délia Cristina Figueira Aguiar

Affiliation Immunogenetics Laboratory, Biological Sciences Institute, Federal University of Pará, Belém, Pará, Brazil

Gyselly de Cássia Bastos de Matos

Affiliation Immunogenetics Laboratory, Biological Sciences Institute, Federal University of Pará, Belém, Pará, Brazil

Danielle Calado de Brito

Affiliation Immunogenetics Laboratory, Biological Sciences Institute, Federal University of Pará, Belém, Pará, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TCOC RSPL. Analyzed the data: TCOC RSPL. Wrote the paper: TCOC RSPL. Performed all the test hemagglutination to Erythrocyte phenotypes: GCBM. Performed immunoensaio experiments to determination from phenotypes salivary ABH and Lewis: DCB. Carried out the RFLP-PCR: DCFA.