Chronic hepatitis delta: A state-of-the-art review and new therapies

Table 1 Prevalence rates throughout the world

Geographic area	Prevalence (%)	Ref.
	HDV ab | HDV RNA
Africa
Gabon	63-70.6 | X	[137]
Nigeria	4.9 | 9	[138]
Sub-Saharan	1.3-50 | 21.4-100	[139]
Tunisia	2 | 33.3	[140]
Asia
Japan	21.1 | X	[141]
Mongolia	74.4 | 97.9	[9]
	90.7 | 91.4	[142]
Pacific
Kiribati	X | 37	[143]
North America
United States	42 | X	[144]
South America
Brazil	1.8 | X	[145]
	34.4 | X	[146]
Europe
Belgium	3.7-5.5 | X	[147]
Greece	4.2 | X	[148]
Italy	67 | 93	[149]
	23.4 | X	[150]
London	4.5 | 20.2	[151]
Romania	23.1 | 71.0	[8]
Spain	4 | X	[152]
	8.2 | X	[17]

HDV: Hepatitis D virus.