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© Copyright 2019 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Mutation that protects against HIV raises death rate
By MALCOLM RITTER NEW YORK©2024 GPlusMedia Inc.
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1glenn
Similarly, the sickle-cell trait gives protection against malaria, but causes a host of other problems. Hence, the term "sickle-cell anemia."