TABLE 2.

Genotypic distribution of HBV among different countries, determined by PCR using type-specific primers

Country	n	No. of samples of genotypea:
		A	B	C	D	E	F	UCb
Japan	10	0	0	10 (100)	0	0	0	0
Vietnam	30	0	10 (33)	19 (63)	0	0	0	1 (3)
United States	5	3 (60)	0	2 (40)	0	0	0	0
Egypt	2	0	0	0	2 (100)	0	0	0
Ghana	4	1 (25)	0	0	0	3 (75)	0	0
Bolivia	4	0	0	0	0	0	4 (100)	0
Total	55	4 (7)	10 (18)	31 (56)	2 (4)	3 (6)	4 (7)	1 (2)

^aNumbers in parentheses are percentages. 

^bUC, unclassified.