Prevalence of Human T-lymphotropic Virus Type 1 (HTLV-1) Infection in Different Geographical Locations

Author’s Reply: We would like to thank Dr. Ghaffari for his knowledgeable comments on our study. As mentioned in the article, HTLV-1 infection is a risk factor for hematologic disorders, especially malignancies like adult T-cell leukemia/lymphoma and lymphosarcoma T-cell leukemia.1 Dr. Ghaffari represented additional epidemiological evidence of HTLV-1 prevalence that is somewhat different from our results. Such differences are due to geographical location of the study as Ghaffari et al studies are mostly performed in northern Iran which is not an endemic area ...