Arawete and Asurini Indian tribes were revisited after a 36-year follow-up in search of HTLV infections. 46 persons (23 from each tribe) were tested for HTLV-1/2 antibodies and viral DNA. None were positive; this was probably because of their social/cultural isolation from neighboring tribes where HTLV-2c is hyperendemic.

中文翻译：

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阿拉维特和阿苏里尼印第安人的隔离使部落在 36 年的随访期间免受 HTLV 感染

Arawete 和 Asurini 印第安部落经过 36 年的随访，以寻找 HTLV 感染。46 人（每个部落 23 人）接受了 HTLV-1/2 抗体和病毒 DNA 的检测。没有一个是阳性的；这可能是因为他们与 HTLV-2c 高度流行的邻近部落的社会/文化隔离。