[1] Pedro Kouri Trop Med Inst IPK, Dept Virol, Sexually Transmitted Infect Lab, Autopista Novia Mediodia Km 61-2 La Lisa, Havana 17100, Cuba
[2] Ctr Adv Res Cuba, Nano Bioformulat Dept, Havana, Cuba
[3] Juan Manuel Marquez Pediat Hosp, Havana, Cuba
[4] Prov Hyg Epidemiol & Microbiol Ctr, Santa Clara, Cuba
[5] Mariana Grajales Gynecoobstet Univ Hosp, Santa Clara, Cuba
[6] Cerro Pediat Hosp, Havana, Cuba