 @article{góis_braga_souza_schavaren_grava_simão_visentainer_lima neto_2026,  title={Association of the rs2814778 variant in the <i>ACKR1</i> gene, responsible for the Duffy erythrocyte antigen "null" phenotype, with COVID-19 severity in Southern Brazil},  volume={24},  ISSN={1679-4508},  url={https://doi.org/10.31744/einstein_journal/2026AO1543},  DOI={10.31744/einstein_journal/2026AO1543},  journal={einstein (São Paulo)},  publisher={Instituto Israelita de Ensino e Pesquisa Albert Einstein},  author={Góis, Kelly Silvério and Braga, Matheus and Souza, Victor Hugo de and Schavaren, Julyane and Grava, Sergio and Simão, Andréa Name Colado and Visentainer, Jeane Eliete Laguila and Lima Neto, Quirino Alves de},  year={2026},  pages={eAO1543} }