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Genetic Disease Screening Program

three generations of people in the park

​Hemoglobin Trait Carrier Rate by Race/Ethnicity in California Newborns (2013–​2022)​

Race/Ethnicity
Hb S Trait Hb C Trait
Hb D Trait
African-American/Black 1 in 17 1 in 59 1 in 2,713
Native American
1 in 103 1 in 367 1 in 2,531
Latinx/Hispanic 1 in 192 1 in 1,492 1 in 2,074
Middle Eastern 1 in 291 1 in 3,153 1 in 488
Pacific Islander (includes Guamanian, Hawaiian, Samoan) 1 in 297 1 in 1,144 1 in 4,003
White 1 in 624 1 in 2,909 1 in 2,637
Asian Indian 1 in 684 1 in 30,968 1 in 224
Filipino 1 in 944 1 in 4,266 1 in 2,812
Southeast Asian (includes Vietnamese and other Southeast Asian) 1 in 1,473 1 in 10,312 1 in 2,101
East Asian (includes Chinese, Japanese, and Korean) 1 in 4,819 1 in 17,007 1 in 8,504

Source: California Newborn Screening Program, July 2023​

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