HTLV-1, seroprevalence, risk factors, Brazil, Salvador, Belem, Curitiba, Dourados, Fortaleza, Vitoria, Natal
HTLV, Indigenous people, Brazilian Amazon, Intrafamily transmission, Phylogeny
Keywords: Long COVID-19, Amazon, Clinical features, Sequelae
SARS-CoV-2, human leukocyte antigen, HLA evolutionary divergence