Email this page To: From: Subject: Message: Sickle Cell Trait - About 1 out of every 12 African-Americans has sickle cell trait and about 1 out of every 100 Latinos has sickle cell trait. Sickle cell trait also affects many people whose ancestors came from Africa, Latin America, Asia, India, and the Mediterranean region. However, it is possible for a person of any race or nationality to have sickle cell trait. - https://www.stjude.org/treatment/disease/sickle-cell-disease/diagnosing-sickle-cell/sickle-cell-trait.html A summary of this page will be sent along with your message I am a referring physician Yes, I would like to receive email updates. Send Email Your message has been emailed successfully. Thank you for your interest in St. Jude Children's Research Hospital.