“…Regions with high levels of endemicity include Central and North Africa, the Amazon Basin, Eastern Europe, the Mediterranean, the Middle East, and parts of Asia [20]. HDV-1 is ubiquitous [21] and has been isolated in the USA, Europe, the Middle East, Russia, Africa, Asia, and Brazil [6,7,12,18,21,22,23,24]. HDV-2, formerly referred to as genotype-IIa, is found in Japan, Taiwan and Russia [11,13,25].…”