The blood test for Human T-Lymphotropic Virus HTLV-1 was negative, as were tests for Hepatitis B and C. The presence of tuberculosis or parasites was ruled out.
La serología para el virus linfotrópico T humano HTLV-1 resultó negativa y para el virus de la hepatitis B y C se encontró Ag HBs - y anti VHC -. Se descartó la presencia de tuberculosis y parásitos.