Abstract
HTLV-1 is endemic in the Northwest among Kolla natives while Buenos Aires city (BA) is considered as non-endemic. In the last decades, migrations to BA have changed from Europeans to Latin-Americans from countries with endemic focus for HTLV-1 infection (Bolivia, Paraguay, Peru, Brazil, and Chile) and also from different African countries.
Highlights
Human TLymphotropic Virus type 1 (HTLV-1) is endemic in the Northwest among Kolla natives while Buenos Aires city (BA) is considered as non-endemic
This study confirms the presence HTLV-1 cosmopolitan subtype/ Transcontinental subgroup in BA residents and shows HTLV-1 strains from individuals of Amerindian ancestry closely related to references from Africa and Latin-American countries with an important afro-amerindian ethnic component
These results highlight the importance of ethnic origin of HTLV-1infected people and the retroviral phylogeny to understand the influence of migration waves in the dynamics of the infection in a specific geographic area
Summary
HTLV-1 is endemic in the Northwest among Kolla natives while Buenos Aires city (BA) is considered as non-endemic. Migrations to BA have changed from Europeans to Latin-Americans from countries with endemic focus for HTLV-1 infection (Bolivia, Paraguay, Peru, Brazil, and Chile) and from different African countries
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