Prevalence
HTLV-I infection in the United States appears to be about half as prevalent among IV drug users and about one-tenth as prevalent in the population at large as HIV infection. Although little serologic data exist, the prevalence of infection is thought to be highest among blacks living in the Southeast. A prevalence rate of 30% has been found among black intravenous drug users in New Jersey, and a rate of 49% has been found in a similar group in New Orleans. It is possible that prevalence of infection is increasing in this risk group.
HTLV-I infection in Australia is very high among the indigenous peoples of central and northern Australia, with a prevalence rate of 10-30%. It is also high among the Inuit of Northern Canada, in Japan, northeastern Iran, Peru, the Pacific coast of Colombia and Ecuador, the Caribbean, and in Africa.
Read more about this topic: Human T-lymphotropic Virus 1
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