translation.en: Four Plasmodium species (Plasmodium falciparum, Plasmodium vivax, Plasmodium ovale and Plasmodium malariae) give disease in humans, and humans are their only relevant reservoir.
translation.it: Quattro specie di Plasmodium (Plasmodium falciparum, Plasmodium vivax, Plasmodium ovale e Plasmodium malariae) causano la malattia negli esseri umani, ossia il loro unico serbatoio di rilievo.